(2x+5y-9z)(7x-9z+7y)=

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Solution for (2x+5y-9z)(7x-9z+7y)= equation: 


Simplifying
(2x + 5y + -9z)(7x + -9z + 7y) = 0

Reorder the terms:
(2x + 5y + -9z)(7x + 7y + -9z) = 0

Multiply (2x + 5y + -9z) * (7x + 7y + -9z)
(2x * (7x + 7y + -9z) + 5y * (7x + 7y + -9z) + -9z * (7x + 7y + -9z)) = 0
((7x * 2x + 7y * 2x + -9z * 2x) + 5y * (7x + 7y + -9z) + -9z * (7x + 7y + -9z)) = 0

Reorder the terms:
((14xy + -18xz + 14x2) + 5y * (7x + 7y + -9z) + -9z * (7x + 7y + -9z)) = 0
((14xy + -18xz + 14x2) + 5y * (7x + 7y + -9z) + -9z * (7x + 7y + -9z)) = 0
(14xy + -18xz + 14x2 + (7x * 5y + 7y * 5y + -9z * 5y) + -9z * (7x + 7y + -9z)) = 0

Reorder the terms:
(14xy + -18xz + 14x2 + (35xy + -45yz + 35y2) + -9z * (7x + 7y + -9z)) = 0
(14xy + -18xz + 14x2 + (35xy + -45yz + 35y2) + -9z * (7x + 7y + -9z)) = 0
(14xy + -18xz + 14x2 + 35xy + -45yz + 35y2 + (7x * -9z + 7y * -9z + -9z * -9z)) = 0
(14xy + -18xz + 14x2 + 35xy + -45yz + 35y2 + (-63xz + -63yz + 81z2)) = 0

Reorder the terms:
(14xy + 35xy + -18xz + -63xz + 14x2 + -45yz + -63yz + 35y2 + 81z2) = 0

Combine like terms: 14xy + 35xy = 49xy
(49xy + -18xz + -63xz + 14x2 + -45yz + -63yz + 35y2 + 81z2) = 0

Combine like terms: -18xz + -63xz = -81xz
(49xy + -81xz + 14x2 + -45yz + -63yz + 35y2 + 81z2) = 0

Combine like terms: -45yz + -63yz = -108yz
(49xy + -81xz + 14x2 + -108yz + 35y2 + 81z2) = 0

Solving
49xy + -81xz + 14x2 + -108yz + 35y2 + 81z2 = 0

Solving for variable 'x'.

The solution to this equation could not be determined.

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