2(3z-5)(2z-3)=3z-4

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Solution for 2(3z-5)(2z-3)=3z-4 equation:


Simplifying
2(3z + -5)(2z + -3) = 3z + -4

Reorder the terms:
2(-5 + 3z)(2z + -3) = 3z + -4

Reorder the terms:
2(-5 + 3z)(-3 + 2z) = 3z + -4

Multiply (-5 + 3z) * (-3 + 2z)
2(-5(-3 + 2z) + 3z * (-3 + 2z)) = 3z + -4
2((-3 * -5 + 2z * -5) + 3z * (-3 + 2z)) = 3z + -4
2((15 + -10z) + 3z * (-3 + 2z)) = 3z + -4
2(15 + -10z + (-3 * 3z + 2z * 3z)) = 3z + -4
2(15 + -10z + (-9z + 6z2)) = 3z + -4

Combine like terms: -10z + -9z = -19z
2(15 + -19z + 6z2) = 3z + -4
(15 * 2 + -19z * 2 + 6z2 * 2) = 3z + -4
(30 + -38z + 12z2) = 3z + -4

Reorder the terms:
30 + -38z + 12z2 = -4 + 3z

Solving
30 + -38z + 12z2 = -4 + 3z

Solving for variable 'z'.

Reorder the terms:
30 + 4 + -38z + -3z + 12z2 = -4 + 3z + 4 + -3z

Combine like terms: 30 + 4 = 34
34 + -38z + -3z + 12z2 = -4 + 3z + 4 + -3z

Combine like terms: -38z + -3z = -41z
34 + -41z + 12z2 = -4 + 3z + 4 + -3z

Reorder the terms:
34 + -41z + 12z2 = -4 + 4 + 3z + -3z

Combine like terms: -4 + 4 = 0
34 + -41z + 12z2 = 0 + 3z + -3z
34 + -41z + 12z2 = 3z + -3z

Combine like terms: 3z + -3z = 0
34 + -41z + 12z2 = 0

Factor a trinomial.
(17 + -12z)(2 + -1z) = 0

Subproblem 1

Set the factor '(17 + -12z)' equal to zero and attempt to solve: Simplifying 17 + -12z = 0 Solving 17 + -12z = 0 Move all terms containing z to the left, all other terms to the right. Add '-17' to each side of the equation. 17 + -17 + -12z = 0 + -17 Combine like terms: 17 + -17 = 0 0 + -12z = 0 + -17 -12z = 0 + -17 Combine like terms: 0 + -17 = -17 -12z = -17 Divide each side by '-12'. z = 1.416666667 Simplifying z = 1.416666667

Subproblem 2

Set the factor '(2 + -1z)' equal to zero and attempt to solve: Simplifying 2 + -1z = 0 Solving 2 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1z = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1z = 0 + -2 -1z = 0 + -2 Combine like terms: 0 + -2 = -2 -1z = -2 Divide each side by '-1'. z = 2 Simplifying z = 2

Solution

z = {1.416666667, 2}

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