(3x-4z)(5x-7z)=

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Solution for (3x-4z)(5x-7z)= equation:


Simplifying
(3x + -4z)(5x + -7z) = 0

Multiply (3x + -4z) * (5x + -7z)
(3x * (5x + -7z) + -4z * (5x + -7z)) = 0
((5x * 3x + -7z * 3x) + -4z * (5x + -7z)) = 0

Reorder the terms:
((-21xz + 15x2) + -4z * (5x + -7z)) = 0
((-21xz + 15x2) + -4z * (5x + -7z)) = 0
(-21xz + 15x2 + (5x * -4z + -7z * -4z)) = 0
(-21xz + 15x2 + (-20xz + 28z2)) = 0

Reorder the terms:
(-21xz + -20xz + 15x2 + 28z2) = 0

Combine like terms: -21xz + -20xz = -41xz
(-41xz + 15x2 + 28z2) = 0

Solving
-41xz + 15x2 + 28z2 = 0

Solving for variable 'x'.

Factor a trinomial.
(5x + -7z)(3x + -4z) = 0

Subproblem 1

Set the factor '(5x + -7z)' equal to zero and attempt to solve: Simplifying 5x + -7z = 0 Solving 5x + -7z = 0 Move all terms containing x to the left, all other terms to the right. Add '7z' to each side of the equation. 5x + -7z + 7z = 0 + 7z Combine like terms: -7z + 7z = 0 5x + 0 = 0 + 7z 5x = 0 + 7z Remove the zero: 5x = 7z Divide each side by '5'. x = 1.4z Simplifying x = 1.4z

Subproblem 2

Set the factor '(3x + -4z)' equal to zero and attempt to solve: Simplifying 3x + -4z = 0 Solving 3x + -4z = 0 Move all terms containing x to the left, all other terms to the right. Add '4z' to each side of the equation. 3x + -4z + 4z = 0 + 4z Combine like terms: -4z + 4z = 0 3x + 0 = 0 + 4z 3x = 0 + 4z Remove the zero: 3x = 4z Divide each side by '3'. x = 1.333333333z Simplifying x = 1.333333333z

Solution

x = {1.4z, 1.333333333z}

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