(9x-9z)(9x+9z)=

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Solution for (9x-9z)(9x+9z)= equation:


Simplifying
(9x + -9z)(9x + 9z) = 0

Multiply (9x + -9z) * (9x + 9z)
(9x * (9x + 9z) + -9z * (9x + 9z)) = 0
((9x * 9x + 9z * 9x) + -9z * (9x + 9z)) = 0

Reorder the terms:
((81xz + 81x2) + -9z * (9x + 9z)) = 0
((81xz + 81x2) + -9z * (9x + 9z)) = 0
(81xz + 81x2 + (9x * -9z + 9z * -9z)) = 0
(81xz + 81x2 + (-81xz + -81z2)) = 0

Reorder the terms:
(81xz + -81xz + 81x2 + -81z2) = 0

Combine like terms: 81xz + -81xz = 0
(0 + 81x2 + -81z2) = 0
(81x2 + -81z2) = 0

Solving
81x2 + -81z2 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '81z2' to each side of the equation.
81x2 + -81z2 + 81z2 = 0 + 81z2

Combine like terms: -81z2 + 81z2 = 0
81x2 + 0 = 0 + 81z2
81x2 = 0 + 81z2
Remove the zero:
81x2 = 81z2

Divide each side by '81'.
x2 = z2

Simplifying
x2 = z2

Take the square root of each side:
x = {-1z, z}

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