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Determine the area of the red triangular region.
4x+2
M
x
2x-2
$

Determine the area of the red triangular region. 4x+2 M x 2x-2 $-example-1

1 Answer

4 votes

The area of the triangle. (WHOLE)


(4x+2)(2x-2)=8x^(2) -4x-4

The area of the gray square.


(x)(x+1)=x^(2) +x

Subtract.


(8x^(2) -4x-4)-(x^(2) +x)\\=7x^(2) -3x-4

Hope this helped.

User Mike Mathew
by
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