2z^2=7z-6

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Solution for 2z^2=7z-6 equation:


Simplifying
2z2 = 7z + -6

Reorder the terms:
2z2 = -6 + 7z

Solving
2z2 = -6 + 7z

Solving for variable 'z'.

Reorder the terms:
6 + -7z + 2z2 = -6 + 7z + 6 + -7z

Reorder the terms:
6 + -7z + 2z2 = -6 + 6 + 7z + -7z

Combine like terms: -6 + 6 = 0
6 + -7z + 2z2 = 0 + 7z + -7z
6 + -7z + 2z2 = 7z + -7z

Combine like terms: 7z + -7z = 0
6 + -7z + 2z2 = 0

Factor a trinomial.
(3 + -2z)(2 + -1z) = 0

Subproblem 1

Set the factor '(3 + -2z)' equal to zero and attempt to solve: Simplifying 3 + -2z = 0 Solving 3 + -2z = 0 Move all terms containing z to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -2z = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2z = 0 + -3 -2z = 0 + -3 Combine like terms: 0 + -3 = -3 -2z = -3 Divide each side by '-2'. z = 1.5 Simplifying z = 1.5

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 = {1.5, 2}

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