25-(x+3)(x+3)=25

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Solution for 25-(x+3)(x+3)=25 equation:


Simplifying
25 + -1(x + 3)(x + 3) = 25

Reorder the terms:
25 + -1(3 + x)(x + 3) = 25

Reorder the terms:
25 + -1(3 + x)(3 + x) = 25

Multiply (3 + x) * (3 + x)
25 + -1(3(3 + x) + x(3 + x)) = 25
25 + -1((3 * 3 + x * 3) + x(3 + x)) = 25
25 + -1((9 + 3x) + x(3 + x)) = 25
25 + -1(9 + 3x + (3 * x + x * x)) = 25
25 + -1(9 + 3x + (3x + x2)) = 25

Combine like terms: 3x + 3x = 6x
25 + -1(9 + 6x + x2) = 25
25 + (9 * -1 + 6x * -1 + x2 * -1) = 25
25 + (-9 + -6x + -1x2) = 25

Combine like terms: 25 + -9 = 16
16 + -6x + -1x2 = 25

Solving
16 + -6x + -1x2 = 25

Solving for variable 'x'.

Reorder the terms:
16 + -25 + -6x + -1x2 = 25 + -25

Combine like terms: 16 + -25 = -9
-9 + -6x + -1x2 = 25 + -25

Combine like terms: 25 + -25 = 0
-9 + -6x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(9 + 6x + x2) = 0

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

Ignore the factor -1.

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 '(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

Solution

x = {-3, -3}

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