I also need to know the answer to this problem. Can anyone answer it?
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is 28x squared? if it is, the answer would be, 3(2x+5)(4x+3).
Let the symbol ^ mean "to the power" Then 9x^2 + 24x + 16 = (3x + 4)(3x +4) = (3x + 4)^2
(5x - 7)(7x + 5)
-12 +/- sq root 104
x2 + 24x +180 = 0 By using the quadratic equation, you can find that x = -12 + 6i or x = -12 - 6i