1.2+2.9x*x=x-x+76.7

Solution for 1.2+2.9x*x=x-x+76.7 equation:

Simplifying
1.2 + 2.9x * x = x + -1x + 76.7

Multiply x * x
1.2 + 2.9x2 = x + -1x + 76.7

Reorder the terms:
1.2 + 2.9x2 = 76.7 + x + -1x

Combine like terms: x + -1x = 0
1.2 + 2.9x2 = 76.7 + 0
1.2 + 2.9x2 = 76.7

Solving
1.2 + 2.9x2 = 76.7

Solving for variable 'x'.

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

Add '-1.2' to each side of the equation.
1.2 + -1.2 + 2.9x2 = 76.7 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + 2.9x2 = 76.7 + -1.2
2.9x2 = 76.7 + -1.2

Combine like terms: 76.7 + -1.2 = 75.5
2.9x2 = 75.5

Divide each side by '2.9'.
x2 = 26.03448276

Simplifying
x2 = 26.03448276

Take the square root of each side:
x = {-5.102399706, 5.102399706}