7. Q7a
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Similar Question 1
<p>Expand and simplify each expression.</p><p><code class='latex inline'>\displaystyle 3 (x + 3)(x-2) </code></p>
Similar Question 2
<p>Expand and simplify.</p><p><code class='latex inline'>t(t-3v)(t-4v)</code></p>
Similar Question 3
<p>Expand and simplify.</p><p><code class='latex inline'>-(h-2)(h-8)</code></p>
Similar Questions
Learning Path
L1 Quick Intro to Factoring Trinomial with Leading a
L2 Introduction to Factoring ax^2+bx+c
L3 Factoring ax^2+bx+c, ex1
Now You Try
<p>Expand and simplify.</p><p><code class='latex inline'>3(m+2n)(m-3n)</code></p>
<p>Expand and simplify.</p><p><code class='latex inline'>\displaystyle -2(x - 7)(x - 9)</code></p>
<p>Expand and simplify each expression.</p><p><code class='latex inline'>\displaystyle \frac{2}{3}(3x -1)(2x + 3) </code></p>
<p>Expand and simplify.</p><p><code class='latex inline'>-2(t-5)(t+6)</code></p>
<p>Expand and simplify.</p><p><code class='latex inline'>\displaystyle -(y + 2)(y - 8)</code></p>
<p>Expand and simplify.</p><p><code class='latex inline'> \displaystyle w(w - 7v)(w- 3v) </code></p>
<p>Expand and simplify.</p><p><code class='latex inline'>\displaystyle 3(x - 5)(x + 6)</code></p>
<p>Expand and simplify.</p><p><code class='latex inline'> \displaystyle -(k + 2)(k - 7) </code></p>
<p>Expand and simplify.</p><p><code class='latex inline'>5(x+4)(x+6)</code></p>
<p>Expand and simplify.</p><p><code class='latex inline'>-(k-3)(k+5)</code></p>
<p>Expand and simplify.</p><p><code class='latex inline'>\displaystyle m(m - 3n)(m - 5n)</code></p>
<p>Expand and simplify.</p><p><code class='latex inline'>3(y+7)(y-3)</code></p>
<p>Expand and simplify.</p><p><code class='latex inline'>\displaystyle 2a(3a+ 4b)(6a + 7b)</code></p>
<p>Expand and simplify.</p><p><code class='latex inline'> \displaystyle 7x(7x + 3y)(3x + 9y) </code></p>
<p>Expand and simplify.</p><p><code class='latex inline'>t(t-3v)(t-4v)</code></p>
<p>The predicted flight path of a firework is defined by the relation <code class='latex inline'>h = -2(d-3)(d- 15)</code>, where <code class='latex inline'>d</code> is the horizontal distance, in metres, from a safety wall, and <code class='latex inline'>h</code> is the height, in metres.</p><p> Expand and simplify the relation.</p>
<p>Find the product.</p><p><code class='latex inline'>\displaystyle 3(2 x+1)(2 x-3) </code></p>
<p>Expand and simplify.</p><p><code class='latex inline'>2x(x+1)(x-3)</code></p>
<p>Expand and simplify each expression.</p><p><code class='latex inline'>\displaystyle 3 (x + 3)(x-2) </code></p>
<p>Expand and simplify.</p><p><code class='latex inline'>\displaystyle 2(k + 3)(k + 7)</code></p>
<p>Expand and simplify.</p><p><code class='latex inline'>-(h-2)(h-8)</code></p>
<p>A scuba diver is drifting in a current of 0.3 m/s. If she swims with the current at an additional speed of <code class='latex inline'>v</code> metres per second, the distance, <code class='latex inline'>d</code>, in metres, that she travels before running out of air can be modelled by the relation <code class='latex inline'>d = 3000(v + 0.3)(1.0-v)</code></p><p>(a) Expand this relation.</p><p>(b) If she swims at 0.2 m/s, how far can she swim before running out of air?</p>
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