(x^2-5x+1)+(4x^2-2x+2)-(5x^2-4)=

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Solution for (x^2-5x+1)+(4x^2-2x+2)-(5x^2-4)= equation:


Simplifying
(x2 + -5x + 1) + (4x2 + -2x + 2) + -1(5x2 + -4) = 0

Reorder the terms:
(1 + -5x + x2) + (4x2 + -2x + 2) + -1(5x2 + -4) = 0

Remove parenthesis around (1 + -5x + x2)
1 + -5x + x2 + (4x2 + -2x + 2) + -1(5x2 + -4) = 0

Reorder the terms:
1 + -5x + x2 + (2 + -2x + 4x2) + -1(5x2 + -4) = 0

Remove parenthesis around (2 + -2x + 4x2)
1 + -5x + x2 + 2 + -2x + 4x2 + -1(5x2 + -4) = 0

Reorder the terms:
1 + -5x + x2 + 2 + -2x + 4x2 + -1(-4 + 5x2) = 0
1 + -5x + x2 + 2 + -2x + 4x2 + (-4 * -1 + 5x2 * -1) = 0
1 + -5x + x2 + 2 + -2x + 4x2 + (4 + -5x2) = 0

Reorder the terms:
1 + 2 + 4 + -5x + -2x + x2 + 4x2 + -5x2 = 0

Combine like terms: 1 + 2 = 3
3 + 4 + -5x + -2x + x2 + 4x2 + -5x2 = 0

Combine like terms: 3 + 4 = 7
7 + -5x + -2x + x2 + 4x2 + -5x2 = 0

Combine like terms: -5x + -2x = -7x
7 + -7x + x2 + 4x2 + -5x2 = 0

Combine like terms: x2 + 4x2 = 5x2
7 + -7x + 5x2 + -5x2 = 0

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

Solving
7 + -7x = 0

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + -7x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -7x = 0 + -7
-7x = 0 + -7

Combine like terms: 0 + -7 = -7
-7x = -7

Divide each side by '-7'.
x = 1

Simplifying
x = 1

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