Final answer to the problem
$y=4x^{3}-9x$
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1
Apply the formula: $\left(a+b\right)\left(a+c\right)$$=a^2-b^2$, where $a=2x$, $b=3$, $c=-3$, $a+c=2x+3$ and $a+b=2x-3$
$y=x\left(\left(2x\right)^2-9\right)$
Learn how to solve equations linéaires à deux variables problems step by step online.
$y=x\left(\left(2x\right)^2-9\right)$
Learn how to solve equations linéaires à deux variables problems step by step online. y=x(2x-3)(2x+3). Apply the formula: \left(a+b\right)\left(a+c\right)=a^2-b^2, where a=2x, b=3, c=-3, a+c=2x+3 and a+b=2x-3. Apply the formula: \left(ab\right)^n=a^nb^n. Apply the formula: x\left(a+b\right)=xa+xb, where a=4x^2, b=-9 and a+b=4x^2-9. Apply the formula: x\cdot x^n=x^{\left(n+1\right)}, where x^nx=4xx^2, x^n=x^2 and n=2.
Final answer to the problem
$y=4x^{3}-9x$
