Question

Express both the perimeter and the area of the rectangle shown in the accompanying diagram as polynomials in simplest form.
X-4 and x+6

Fill in the coefficients:

Perimeter :
Area:

Answer 1

perimeter = 2(x-4) + 2(x+6)
= 2x-8+2x+12
= 4x+4

area= (x-4)(x+6)
= x²+2x-24