-4x^2+(7x^2-11)+3=

Solution for -4x^2+(7x^2-11)+3= equation:

Simplifying
-4x2 + (7x2 + -11) + 3 = 0

Reorder the terms:
-4x2 + (-11 + 7x2) + 3 = 0

Remove parenthesis around (-11 + 7x2)
-4x2 + -11 + 7x2 + 3 = 0

Reorder the terms:
-11 + 3 + -4x2 + 7x2 = 0

Combine like terms: -11 + 3 = -8
-8 + -4x2 + 7x2 = 0

Combine like terms: -4x2 + 7x2 = 3x2
-8 + 3x2 = 0

Solving
-8 + 3x2 = 0

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 + 3x2 = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 3x2 = 0 + 8
3x2 = 0 + 8

Combine like terms: 0 + 8 = 8
3x2 = 8

Divide each side by '3'.
x2 = 2.666666667

Simplifying
x2 = 2.666666667

Take the square root of each side:
x = {-1.632993162, 1.632993162}