x*x+5*5=(x+3)(x+3)

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Solution for x*x+5*5=(x+3)(x+3) equation:


Simplifying
x * x + 5 * 5 = (x + 3)(x + 3)

Multiply x * x
x2 + 5 * 5 = (x + 3)(x + 3)

Multiply 5 * 5
x2 + 25 = (x + 3)(x + 3)

Reorder the terms:
25 + x2 = (x + 3)(x + 3)

Reorder the terms:
25 + x2 = (3 + x)(x + 3)

Reorder the terms:
25 + x2 = (3 + x)(3 + x)

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

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

Add '-1x2' to each side of the equation.
25 + x2 + -1x2 = 9 + 6x + x2 + -1x2

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

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

Solving
25 = 9 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
25 + -6x = 9 + 6x + -6x

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

Add '-25' to each side of the equation.
25 + -25 + -6x = 9 + -25

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

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

Divide each side by '-6'.
x = 2.666666667

Simplifying
x = 2.666666667

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