(3x^2-7x+6)-(2x^2+x-12)=

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Solution for (3x^2-7x+6)-(2x^2+x-12)= equation:


Simplifying
(3x2 + -7x + 6) + -1(2x2 + x + -12) = 0

Reorder the terms:
(6 + -7x + 3x2) + -1(2x2 + x + -12) = 0

Remove parenthesis around (6 + -7x + 3x2)
6 + -7x + 3x2 + -1(2x2 + x + -12) = 0

Reorder the terms:
6 + -7x + 3x2 + -1(-12 + x + 2x2) = 0
6 + -7x + 3x2 + (-12 * -1 + x * -1 + 2x2 * -1) = 0
6 + -7x + 3x2 + (12 + -1x + -2x2) = 0

Reorder the terms:
6 + 12 + -7x + -1x + 3x2 + -2x2 = 0

Combine like terms: 6 + 12 = 18
18 + -7x + -1x + 3x2 + -2x2 = 0

Combine like terms: -7x + -1x = -8x
18 + -8x + 3x2 + -2x2 = 0

Combine like terms: 3x2 + -2x2 = 1x2
18 + -8x + 1x2 = 0

Solving
18 + -8x + 1x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-18' to each side of the equation.
18 + -8x + -18 + x2 = 0 + -18

Reorder the terms:
18 + -18 + -8x + x2 = 0 + -18

Combine like terms: 18 + -18 = 0
0 + -8x + x2 = 0 + -18
-8x + x2 = 0 + -18

Combine like terms: 0 + -18 = -18
-8x + x2 = -18

The x term is -8x.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8x + 16 + x2 = -18 + 16

Reorder the terms:
16 + -8x + x2 = -18 + 16

Combine like terms: -18 + 16 = -2
16 + -8x + x2 = -2

Factor a perfect square on the left side:
(x + -4)(x + -4) = -2

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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