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

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


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

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

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

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

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

Solving
9 + 6x + x2 = 25

Solving for variable 'x'.

Reorder the terms:
9 + -25 + 6x + x2 = 25 + -25

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

Combine like terms: 25 + -25 = 0
-16 + 6x + x2 = 0

Factor a trinomial.
(-8 + -1x)(2 + -1x) = 0


Subproblem 1
Set the factor '(-8 + -1x)' equal to zero and attempt to solve:

Simplifying
-8 + -1x = 0

Solving
-8 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '8' to each side of the equation.
-8 + 8 + -1x = 0 + 8

Combine like terms: -8 + 8 = 0
0 + -1x = 0 + 8
-1x = 0 + 8

Combine like terms: 0 + 8 = 8
-1x = 8

Divide each side by '-1'.
x = -8

Simplifying
x = -8

Subproblem 2
Set the factor '(2 + -1x)' equal to zero and attempt to solve:

Simplifying
2 + -1x = 0

Solving
2 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-2' to each side of the equation.
2 + -2 + -1x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -1x = 0 + -2
-1x = 0 + -2

Combine like terms: 0 + -2 = -2
-1x = -2

Divide each side by '-1'.
x = 2

Simplifying
x = 2
Solution
x = {-8, 2}

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