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Exercise

$y=\left(2x-4\right)\left(3+x\right)$

Step-by-step Solution

1

Multiplying polynomials $2x-4$ and $3+x$

$y=3\left(2x-4\right)+\left(2x-4\right)x$
2

Multiply the single term $3$ by each term of the polynomial $\left(2x-4\right)$

$y=6x-12+\left(2x-4\right)x$
3

Multiply the single term $x$ by each term of the polynomial $\left(2x-4\right)$

$y=6x-12+2x^2-4x$
4

Combining like terms $6x$ and $-4x$

$y=2x-12+2x^2$

Final answer to the exercise

$y=2x-12+2x^2$

Try other ways to solve this exercise

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