4x^2-90x+86=0

Solution for 4x^2-90x+86=0 equation:

Simplifying
4x2 + -90x + 86 = 0

Reorder the terms:
86 + -90x + 4x2 = 0

Solving
86 + -90x + 4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(43 + -45x + 2x2) = 0

Factor a trinomial.
2((1 + -1x)(43 + -2x)) = 0

Ignore the factor 2.
Subproblem 1
Set the factor '(1 + -1x)' equal to zero and attempt to solve:

Simplifying
1 + -1x = 0

Solving
1 + -1x = 0

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

Add '-1' to each side of the equation.
1 + -1 + -1x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -1x = 0 + -1
-1x = 0 + -1

Combine like terms: 0 + -1 = -1
-1x = -1

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

Simplifying
x = 1
Subproblem 2
Set the factor '(43 + -2x)' equal to zero and attempt to solve:

Simplifying
43 + -2x = 0

Solving
43 + -2x = 0

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

Add '-43' to each side of the equation.
43 + -43 + -2x = 0 + -43

Combine like terms: 43 + -43 = 0
0 + -2x = 0 + -43
-2x = 0 + -43

Combine like terms: 0 + -43 = -43
-2x = -43

Divide each side by '-2'.
x = 21.5

Simplifying
x = 21.5
Solution
x = {1, 21.5}