(x+3)(x+3)=2x^2+2x+12

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Solution for (x+3)(x+3)=2x^2+2x+12 equation:


Simplifying
(x + 3)(x + 3) = 2x2 + 2x + 12

Reorder the terms:
(3 + x)(x + 3) = 2x2 + 2x + 12

Reorder the terms:
(3 + x)(3 + x) = 2x2 + 2x + 12

Multiply (3 + x) * (3 + x)
(3(3 + x) + x(3 + x)) = 2x2 + 2x + 12
((3 * 3 + x * 3) + x(3 + x)) = 2x2 + 2x + 12
((9 + 3x) + x(3 + x)) = 2x2 + 2x + 12
(9 + 3x + (3 * x + x * x)) = 2x2 + 2x + 12
(9 + 3x + (3x + x2)) = 2x2 + 2x + 12

Combine like terms: 3x + 3x = 6x
(9 + 6x + x2) = 2x2 + 2x + 12

Reorder the terms:
9 + 6x + x2 = 12 + 2x + 2x2

Solving
9 + 6x + x2 = 12 + 2x + 2x2

Solving for variable 'x'.

Reorder the terms:
9 + -12 + 6x + -2x + x2 + -2x2 = 12 + 2x + 2x2 + -12 + -2x + -2x2

Combine like terms: 9 + -12 = -3
-3 + 6x + -2x + x2 + -2x2 = 12 + 2x + 2x2 + -12 + -2x + -2x2

Combine like terms: 6x + -2x = 4x
-3 + 4x + x2 + -2x2 = 12 + 2x + 2x2 + -12 + -2x + -2x2

Combine like terms: x2 + -2x2 = -1x2
-3 + 4x + -1x2 = 12 + 2x + 2x2 + -12 + -2x + -2x2

Reorder the terms:
-3 + 4x + -1x2 = 12 + -12 + 2x + -2x + 2x2 + -2x2

Combine like terms: 12 + -12 = 0
-3 + 4x + -1x2 = 0 + 2x + -2x + 2x2 + -2x2
-3 + 4x + -1x2 = 2x + -2x + 2x2 + -2x2

Combine like terms: 2x + -2x = 0
-3 + 4x + -1x2 = 0 + 2x2 + -2x2
-3 + 4x + -1x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-3 + 4x + -1x2 = 0

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

Subproblem 1

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

Subproblem 2

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

Solution

x = {3, 1}

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