Solve the product (c+7.5)(c-3.8)

 Exercise

$\left(c+7.5\right)\left(c-3.8\right)$

 

Multiply the single term $c-3.8$ by each term of the polynomial $\left(c+7.5\right)$

$c\left(c-3.8\right)+7.5\left(c-3.8\right)$

 

Multiply the single term $c$ by each term of the polynomial $\left(c-3.8\right)$

$c\cdot c-3.8c+7.5\left(c-3.8\right)$

 

When multiplying two powers that have the same base ($c$), you can add the exponents

$c^2-3.8c+7.5\left(c-3.8\right)$

 

Multiply the single term $7.5$ by each term of the polynomial $\left(c-3.8\right)$

$c^2-3.8c+7.5c-28.5$

 

Combining like terms $-3.8c$ and $7.5c$

$c^2+3.7c-28.5$

$c^2+3.7c-28.5$

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