The length of a rectangle is 3 centimeters less than its width. what are the dimensions of the rectangle if its area is 130 square centimeters?

a = lw

130 = l*(l+3)

130 = l^2 + 3l

l^2 + 3l - 130 = 0

(l + 13)*(l - 10) = 0

l = -13, l = 10

length can't be negative, so length is 10cm, height is 13cm

the square root of what number? if you add that, then someone will probably answer the question.

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step-by-step explanation: