(x^2-2x-35)-(x^2-7x)=

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Solution for (x^2-2x-35)-(x^2-7x)= equation:


Simplifying
(x2 + -2x + -35) + -1(x2 + -7x) = 0

Reorder the terms:
(-35 + -2x + x2) + -1(x2 + -7x) = 0

Remove parenthesis around (-35 + -2x + x2)
-35 + -2x + x2 + -1(x2 + -7x) = 0

Reorder the terms:
-35 + -2x + x2 + -1(-7x + x2) = 0
-35 + -2x + x2 + (-7x * -1 + x2 * -1) = 0
-35 + -2x + x2 + (7x + -1x2) = 0

Reorder the terms:
-35 + -2x + 7x + x2 + -1x2 = 0

Combine like terms: -2x + 7x = 5x
-35 + 5x + x2 + -1x2 = 0

Combine like terms: x2 + -1x2 = 0
-35 + 5x + 0 = 0
-35 + 5x = 0

Solving
-35 + 5x = 0

Solving for variable 'x'.

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

Add '35' to each side of the equation.
-35 + 35 + 5x = 0 + 35

Combine like terms: -35 + 35 = 0
0 + 5x = 0 + 35
5x = 0 + 35

Combine like terms: 0 + 35 = 35
5x = 35

Divide each side by '5'.
x = 7

Simplifying
x = 7

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