Question

What is the perimeter of a rectangle if the length is 3x(x-4) inches and the width is 2 + x inches?

Answer 1

6x²-22x+

Explanation:

perimeter=2(L+W)

L=3x²-12x

W=2+x

perimeter=2(3x²-12x+2+x)

=2(3x²-11x+2)

6x²-22x+4=0