5z(2z+3)=2z+3

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Solution for 5z(2z+3)=2z+3 equation:


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

Reorder the terms:
5z(3 + 2z) = 2z + 3
(3 * 5z + 2z * 5z) = 2z + 3
(15z + 10z2) = 2z + 3

Reorder the terms:
15z + 10z2 = 3 + 2z

Solving
15z + 10z2 = 3 + 2z

Solving for variable 'z'.

Reorder the terms:
-3 + 15z + -2z + 10z2 = 3 + 2z + -3 + -2z

Combine like terms: 15z + -2z = 13z
-3 + 13z + 10z2 = 3 + 2z + -3 + -2z

Reorder the terms:
-3 + 13z + 10z2 = 3 + -3 + 2z + -2z

Combine like terms: 3 + -3 = 0
-3 + 13z + 10z2 = 0 + 2z + -2z
-3 + 13z + 10z2 = 2z + -2z

Combine like terms: 2z + -2z = 0
-3 + 13z + 10z2 = 0

Factor a trinomial.
(-3 + -2z)(1 + -5z) = 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 '(1 + -5z)' equal to zero and attempt to solve: Simplifying 1 + -5z = 0 Solving 1 + -5z = 0 Move all terms containing z to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -5z = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -5z = 0 + -1 -5z = 0 + -1 Combine like terms: 0 + -1 = -1 -5z = -1 Divide each side by '-5'. z = 0.2 Simplifying z = 0.2

Solution

z = {-1.5, 0.2}

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