That doesn't factor neatly. Applying the quadratic equation, we find two real solutions:
(-7 plus or minus the square root of 91) divided by 2
x = 1.269696
x = -8.269696
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(2x + 3)(x + 1)
(2x - 1)(x + 4)
6x^2(2x + 5)
4x2-20+25 = (2x-5)(2x-5) when factored with the help of the quadratic equation formula.
2x to the fourth power minus 162 equals -146