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OpenStudy (anonymous):
Suppose a square has sides that are 2x cm long , and that if each side were decreased by 3 cm the area of the square would become 80 cm2. Which equation below would solve this problem for x? (set up an equation and begin to solve it; don't try to solve it completely). a. 2x2 - 12x - 89 = 0 b. 2x2 + 12x - 89 = 0 c. 4x2 - 6x - 71 = 0 d. 4x2 - 12x - 71 = 0 e. 4x2 - 89= 0
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OpenStudy (sriram):
D
OpenStudy (sriram):
(2x-3)^2=80
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