h(h+4)=3(h-2)+12

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Solution for h(h+4)=3(h-2)+12 equation:


Simplifying
h(h + 4) = 3(h + -2) + 12

Reorder the terms:
h(4 + h) = 3(h + -2) + 12
(4 * h + h * h) = 3(h + -2) + 12
(4h + h2) = 3(h + -2) + 12

Reorder the terms:
4h + h2 = 3(-2 + h) + 12
4h + h2 = (-2 * 3 + h * 3) + 12
4h + h2 = (-6 + 3h) + 12

Reorder the terms:
4h + h2 = -6 + 12 + 3h

Combine like terms: -6 + 12 = 6
4h + h2 = 6 + 3h

Solving
4h + h2 = 6 + 3h

Solving for variable 'h'.

Reorder the terms:
-6 + 4h + -3h + h2 = 6 + 3h + -6 + -3h

Combine like terms: 4h + -3h = 1h
-6 + 1h + h2 = 6 + 3h + -6 + -3h

Reorder the terms:
-6 + 1h + h2 = 6 + -6 + 3h + -3h

Combine like terms: 6 + -6 = 0
-6 + 1h + h2 = 0 + 3h + -3h
-6 + 1h + h2 = 3h + -3h

Combine like terms: 3h + -3h = 0
-6 + 1h + h2 = 0

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

Subproblem 1

Set the factor '(-3 + -1h)' equal to zero and attempt to solve: Simplifying -3 + -1h = 0 Solving -3 + -1h = 0 Move all terms containing h to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1h = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1h = 0 + 3 -1h = 0 + 3 Combine like terms: 0 + 3 = 3 -1h = 3 Divide each side by '-1'. h = -3 Simplifying h = -3

Subproblem 2

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

Solution

h = {-3, 2}

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