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user100 [1]
3 years ago
8

write a simplified polynomial expression in the standard form to represent the area of the rectangle below x-4 5x+2

Mathematics
2 answers:
Contact [7]3 years ago
8 0

Answer::

2x2 + 6x − 20

Step-by-step explanation:

Ann [662]3 years ago
3 0

The area of the rectangle is 5x^{2} -18x-8

Explanation:

One side of the rectangle is x-4

The another side of the rectangle is 5x+2

The formula to find the area of the rectangle is length × width

Area = length × width

Substituting the values, we have,

\begin{aligned}\text { Area } &=(x-4)(5 x+2) \\&=5 x^{2}+2 x-20 x-8 \\&=5 x^{2}-18 x-8\end{aligned}

Thus, the area of the rectangle is 5x^{2} -18x-8

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