It can't be factored because the discriminant of this quadratic expression is less than zero.
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(3x - y+ 2)(3x + y + 2)
(x + 3)(3x - 2)
Let the symbol ^ mean "to the power" Then 9x^2 + 24x + 16 = (3x + 4)(3x +4) = (3x + 4)^2
Step 1: Divide by 9x: 9x (x2 + 3x - 10) = 9x(x + 5)(x - 2)
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