(9x2 + 7)(9x2 - 7) = 81x4 - 49
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If you mean: x squared+9x+14 = 0 then by using the quadratic equation formula x = -2 or x = -7
It is: (x-2)(x-7) when factored
Integral : 9x + 8 = 9(x squared)/2 + 8x Differential : 9x +8 = 9
2x+3=9x 3=9x-2x 3=7x x=3/7
It is (x+6)(x+7) when factored