=(x+4)(x^2-80x+16)

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Solution for =(x+4)(x^2-80x+16) equation: 


Simplifying
0 = (x + 4)(x2 + -80x + 16)

Reorder the terms:
0 = (4 + x)(x2 + -80x + 16)

Reorder the terms:
0 = (4 + x)(16 + -80x + x2)

Multiply (4 + x) * (16 + -80x + x2)
0 = (4(16 + -80x + x2) + x(16 + -80x + x2))
0 = ((16 * 4 + -80x * 4 + x2 * 4) + x(16 + -80x + x2))
0 = ((64 + -320x + 4x2) + x(16 + -80x + x2))
0 = (64 + -320x + 4x2 + (16 * x + -80x * x + x2 * x))
0 = (64 + -320x + 4x2 + (16x + -80x2 + x3))

Reorder the terms:
0 = (64 + -320x + 16x + 4x2 + -80x2 + x3)

Combine like terms: -320x + 16x = -304x
0 = (64 + -304x + 4x2 + -80x2 + x3)

Combine like terms: 4x2 + -80x2 = -76x2
0 = (64 + -304x + -76x2 + x3)

Solving
0 = 64 + -304x + -76x2 + x3

Solving for variable 'x'.

Combine like terms: 0 + -64 = -64
-64 + 304x + 76x2 + -1x3 = 64 + -304x + -76x2 + x3 + -64 + 304x + 76x2 + -1x3

Reorder the terms:
-64 + 304x + 76x2 + -1x3 = 64 + -64 + -304x + 304x + -76x2 + 76x2 + x3 + -1x3

Combine like terms: 64 + -64 = 0
-64 + 304x + 76x2 + -1x3 = 0 + -304x + 304x + -76x2 + 76x2 + x3 + -1x3
-64 + 304x + 76x2 + -1x3 = -304x + 304x + -76x2 + 76x2 + x3 + -1x3

Combine like terms: -304x + 304x = 0
-64 + 304x + 76x2 + -1x3 = 0 + -76x2 + 76x2 + x3 + -1x3
-64 + 304x + 76x2 + -1x3 = -76x2 + 76x2 + x3 + -1x3

Combine like terms: -76x2 + 76x2 = 0
-64 + 304x + 76x2 + -1x3 = 0 + x3 + -1x3
-64 + 304x + 76x2 + -1x3 = x3 + -1x3

Combine like terms: x3 + -1x3 = 0
-64 + 304x + 76x2 + -1x3 = 0

The solution to this equation could not be determined.

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