-20z+20z^2-16z-12z^2=

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Solution for -20z+20z^2-16z-12z^2= equation:


Simplifying
-20z + 20z2 + -16z + -12z2 = 0

Reorder the terms:
-20z + -16z + 20z2 + -12z2 = 0

Combine like terms: -20z + -16z = -36z
-36z + 20z2 + -12z2 = 0

Combine like terms: 20z2 + -12z2 = 8z2
-36z + 8z2 = 0

Solving
-36z + 8z2 = 0

Solving for variable 'z'.

Factor out the Greatest Common Factor (GCF), '4z'.
4z(-9 + 2z) = 0

Ignore the factor 4.

Subproblem 1

Set the factor 'z' equal to zero and attempt to solve: Simplifying z = 0 Solving z = 0 Move all terms containing z to the left, all other terms to the right. Simplifying z = 0

Subproblem 2

Set the factor '(-9 + 2z)' equal to zero and attempt to solve: Simplifying -9 + 2z = 0 Solving -9 + 2z = 0 Move all terms containing z to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + 2z = 0 + 9 Combine like terms: -9 + 9 = 0 0 + 2z = 0 + 9 2z = 0 + 9 Combine like terms: 0 + 9 = 9 2z = 9 Divide each side by '2'. z = 4.5 Simplifying z = 4.5

Solution

z = {0, 4.5}

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