6x^2+3(x-1)-5+x(x+2)=7x^2-2

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Solution for 6x^2+3(x-1)-5+x(x+2)=7x^2-2 equation:


Simplifying
6x2 + 3(x + -1) + -5 + x(x + 2) = 7x2 + -2

Reorder the terms:
6x2 + 3(-1 + x) + -5 + x(x + 2) = 7x2 + -2
6x2 + (-1 * 3 + x * 3) + -5 + x(x + 2) = 7x2 + -2
6x2 + (-3 + 3x) + -5 + x(x + 2) = 7x2 + -2

Reorder the terms:
6x2 + -3 + 3x + -5 + x(2 + x) = 7x2 + -2
6x2 + -3 + 3x + -5 + (2 * x + x * x) = 7x2 + -2
6x2 + -3 + 3x + -5 + (2x + x2) = 7x2 + -2

Reorder the terms:
-3 + -5 + 3x + 2x + 6x2 + x2 = 7x2 + -2

Combine like terms: -3 + -5 = -8
-8 + 3x + 2x + 6x2 + x2 = 7x2 + -2

Combine like terms: 3x + 2x = 5x
-8 + 5x + 6x2 + x2 = 7x2 + -2

Combine like terms: 6x2 + x2 = 7x2
-8 + 5x + 7x2 = 7x2 + -2

Reorder the terms:
-8 + 5x + 7x2 = -2 + 7x2

Add '-7x2' to each side of the equation.
-8 + 5x + 7x2 + -7x2 = -2 + 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
-8 + 5x + 0 = -2 + 7x2 + -7x2
-8 + 5x = -2 + 7x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
-8 + 5x = -2 + 0
-8 + 5x = -2

Solving
-8 + 5x = -2

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 5x = -2 + 8

Combine like terms: -8 + 8 = 0
0 + 5x = -2 + 8
5x = -2 + 8

Combine like terms: -2 + 8 = 6
5x = 6

Divide each side by '5'.
x = 1.2

Simplifying
x = 1.2

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