Simplify the expression 4x(2x2 − 7x + 3).
2 answers:
4x(2x-1)(x-3) is the simplification
<span><span>4x</span><span>(<span><span><span>2<span>x^2</span></span> −<span> 7x</span></span> + 3</span>)</span></span><span>
=<span><span>(<span>4x</span>)</span><span> (<span><span><span>2<span>x^2</span></span> + <span>−<span>7x</span></span></span> + 3</span>)</span></span></span><span>
=<span><span><span><span>(<span>4x</span>)</span><span> (<span>2<span>x^2</span></span>)</span></span> + <span><span>(<span>4x</span>)</span><span> (<span>−<span>7x</span></span>)</span></span></span> + <span><span>(<span>4x</span>) </span><span>(3)</span></span></span></span><span>
=<span><span><span> 8<span>x^3</span></span> −<span> 28 <span>x 2 </span></span></span>+<span> 12x
</span></span></span>
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Any number multiplied by one keeps its identity
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