Question

What is the perimeter of a rectangle whose length is -3x + 4 and a width of 5x - 2?

Answer 1

The answer would be 4x+4

Answer 2

Explanation:

Perimeter = 2*(length + width)

=2*(-3x +4 + 5x - 2)

=2*(2x + 2)

=2*2x + 2*2

=4x + 4