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

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


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

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

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

Multiply (-4 + x + x2) * (4 + -7x + x2)
(-4(4 + -7x + x2) + x(4 + -7x + x2) + x2(4 + -7x + x2)) = 0
((4 * -4 + -7x * -4 + x2 * -4) + x(4 + -7x + x2) + x2(4 + -7x + x2)) = 0
((-16 + 28x + -4x2) + x(4 + -7x + x2) + x2(4 + -7x + x2)) = 0
(-16 + 28x + -4x2 + (4 * x + -7x * x + x2 * x) + x2(4 + -7x + x2)) = 0
(-16 + 28x + -4x2 + (4x + -7x2 + x3) + x2(4 + -7x + x2)) = 0
(-16 + 28x + -4x2 + 4x + -7x2 + x3 + (4 * x2 + -7x * x2 + x2 * x2)) = 0
(-16 + 28x + -4x2 + 4x + -7x2 + x3 + (4x2 + -7x3 + x4)) = 0

Reorder the terms:
(-16 + 28x + 4x + -4x2 + -7x2 + 4x2 + x3 + -7x3 + x4) = 0

Combine like terms: 28x + 4x = 32x
(-16 + 32x + -4x2 + -7x2 + 4x2 + x3 + -7x3 + x4) = 0

Combine like terms: -4x2 + -7x2 = -11x2
(-16 + 32x + -11x2 + 4x2 + x3 + -7x3 + x4) = 0

Combine like terms: -11x2 + 4x2 = -7x2
(-16 + 32x + -7x2 + x3 + -7x3 + x4) = 0

Combine like terms: x3 + -7x3 = -6x3
(-16 + 32x + -7x2 + -6x3 + x4) = 0

Solving
-16 + 32x + -7x2 + -6x3 + x4 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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