x^2+10x+25=x^2+15

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Solution for x^2+10x+25=x^2+15 equation:


Simplifying
x2 + 10x + 25 = x2 + 15

Reorder the terms:
25 + 10x + x2 = x2 + 15

Reorder the terms:
25 + 10x + x2 = 15 + x2

Add '-1x2' to each side of the equation.
25 + 10x + x2 + -1x2 = 15 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
25 + 10x + 0 = 15 + x2 + -1x2
25 + 10x = 15 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
25 + 10x = 15 + 0
25 + 10x = 15

Solving
25 + 10x = 15

Solving for variable 'x'.

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

Add '-25' to each side of the equation.
25 + -25 + 10x = 15 + -25

Combine like terms: 25 + -25 = 0
0 + 10x = 15 + -25
10x = 15 + -25

Combine like terms: 15 + -25 = -10
10x = -10

Divide each side by '10'.
x = -1

Simplifying
x = -1

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