Expand the expression (x^2-25)(x-7)

 Exercise

$\left(x^2-25\right)\left(x-7\right)$

 

Multiply the single term $x-7$ by each term of the polynomial $\left(x^2-25\right)$

$x^2\left(x-7\right)-25\left(x-7\right)$

 

Multiply the single term $x^2$ by each term of the polynomial $\left(x-7\right)$

$x\cdot x^2-7x^2-25\left(x-7\right)$

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When multiplying exponents with same base you can add the exponents: $x\cdot x^2$

$x^{3}-7x^2-25\left(x-7\right)$

 

Multiply the single term $-25$ by each term of the polynomial $\left(x-7\right)$

$x^{3}-7x^2-25x+175$

$x^{3}-7x^2-25x+175$

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