area = length*width
(x+3)(x-2) = 84
x^2 + x - 6 = 84
x^2 + x - 90 = 0
(x+10)(x-9) = 0
x=9, so
length=12
width=7
If the area of a rectangle is 84 square inches.How do i find its length and width? Length is (x+3) width is (x-2).
2 answers
12 by 7
1 answer