x^2-(x^2-10x+25)=45

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Solution for x^2-(x^2-10x+25)=45 equation:


Simplifying
x2 + -1(x2 + -10x + 25) = 45

Reorder the terms:
x2 + -1(25 + -10x + x2) = 45
x2 + (25 * -1 + -10x * -1 + x2 * -1) = 45
x2 + (-25 + 10x + -1x2) = 45

Reorder the terms:
-25 + 10x + x2 + -1x2 = 45

Combine like terms: x2 + -1x2 = 0
-25 + 10x + 0 = 45
-25 + 10x = 45

Solving
-25 + 10x = 45

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 = 45 + 25

Combine like terms: -25 + 25 = 0
0 + 10x = 45 + 25
10x = 45 + 25

Combine like terms: 45 + 25 = 70
10x = 70

Divide each side by '10'.
x = 7

Simplifying
x = 7

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