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Maanalbarracin59go
Answered

if the length of a rectangle in terms of x is 5 x² + 4x - 2, and its width is 3x² + 2x + 8, what is the perimeter of the rectangle ? ​

Sagot :

Answer:

The perimeter is 16x²+12x+12

Step-by-step explanation:

Perimeter = 2(A+B)

Perimeter = 2[(5x²+4x-2) + (3x²+2x+8)]

Perimeter = 2(8x²+6x+6)

Perimeter = 16x²+12x+12

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