x^2+7x=-63-9x

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Solution for x^2+7x=-63-9x equation:


Simplifying
x2 + 7x = -63 + -9x

Reorder the terms:
7x + x2 = -63 + -9x

Solving
7x + x2 = -63 + -9x

Solving for variable 'x'.

Reorder the terms:
63 + 7x + 9x + x2 = -63 + -9x + 63 + 9x

Combine like terms: 7x + 9x = 16x
63 + 16x + x2 = -63 + -9x + 63 + 9x

Reorder the terms:
63 + 16x + x2 = -63 + 63 + -9x + 9x

Combine like terms: -63 + 63 = 0
63 + 16x + x2 = 0 + -9x + 9x
63 + 16x + x2 = -9x + 9x

Combine like terms: -9x + 9x = 0
63 + 16x + x2 = 0

Factor a trinomial.
(9 + x)(7 + x) = 0

Subproblem 1

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

Subproblem 2

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

Solution

x = {-9, -7}

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