g^2-3g=28

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Solution for g^2-3g=28 equation:


Simplifying
g2 + -3g = 28

Reorder the terms:
-3g + g2 = 28

Solving
-3g + g2 = 28

Solving for variable 'g'.

Reorder the terms:
-28 + -3g + g2 = 28 + -28

Combine like terms: 28 + -28 = 0
-28 + -3g + g2 = 0

Factor a trinomial.
(-4 + -1g)(7 + -1g) = 0

Subproblem 1

Set the factor '(-4 + -1g)' equal to zero and attempt to solve: Simplifying -4 + -1g = 0 Solving -4 + -1g = 0 Move all terms containing g to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -1g = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -1g = 0 + 4 -1g = 0 + 4 Combine like terms: 0 + 4 = 4 -1g = 4 Divide each side by '-1'. g = -4 Simplifying g = -4

Subproblem 2

Set the factor '(7 + -1g)' equal to zero and attempt to solve: Simplifying 7 + -1g = 0 Solving 7 + -1g = 0 Move all terms containing g to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1g = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1g = 0 + -7 -1g = 0 + -7 Combine like terms: 0 + -7 = -7 -1g = -7 Divide each side by '-1'. g = 7 Simplifying g = 7

Solution

g = {-4, 7}

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