((7x^2)+9x+7)(9x-4)=0

Solution for ((7x^2)+9x+7)(9x-4)=0 equation:

Simplifying
((7x2) + 9x + 7)(9x + -4) = 0

Reorder the terms:
(7 + 9x + (7x2))(9x + -4) = 0

Reorder the terms:
(7 + 9x + (7x2))(-4 + 9x) = 0

Multiply (7 + 9x + (7x2)) * (-4 + 9x)
(7(-4 + 9x) + 9x * (-4 + 9x) + (7x2)(-4 + 9x)) = 0
((-4 * 7 + 9x * 7) + 9x * (-4 + 9x) + (7x2)(-4 + 9x)) = 0
((-28 + 63x) + 9x * (-4 + 9x) + (7x2)(-4 + 9x)) = 0
(-28 + 63x + (-4 * 9x + 9x * 9x) + (7x2)(-4 + 9x)) = 0
(-28 + 63x + (-36x + 81x2) + (7x2)(-4 + 9x)) = 0
(-28 + 63x + -36x + 81x2 + (-4 * 7x2 + 9x * 7x2)) = 0
(-28 + 63x + -36x + 81x2 + (-28x2 + 63x3)) = 0

Combine like terms: 63x + -36x = 27x
(-28 + 27x + 81x2 + -28x2 + 63x3) = 0

Combine like terms: 81x2 + -28x2 = 53x2
(-28 + 27x + 53x2 + 63x3) = 0

Solving
-28 + 27x + 53x2 + 63x3 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.