Question

The width of a rectangle is 12 cm less than the length. The area is 64cm^2 find the length and width. Use quadratic equations by factoring.

Answer 1

length=16, width=4

Explanation:

Use l as length and make an equation:

64 = x*(x-12)

Solve using quadratics, x=16.

Subtract 12 and get 4.