-4x^2+170x-84=0

Solution for -4x^2+170x-84=0 equation:

Simplifying
-4x2 + 170x + -84 = 0

Reorder the terms:
-84 + 170x + -4x2 = 0

Solving
-84 + 170x + -4x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-42 + 85x + -2x2) = 0

Factor a trinomial.
2((-42 + x)(1 + -2x)) = 0

Ignore the factor 2.
Subproblem 1
Set the factor '(-42 + x)' equal to zero and attempt to solve:

Simplifying
-42 + x = 0

Solving
-42 + x = 0

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

Add '42' to each side of the equation.
-42 + 42 + x = 0 + 42

Combine like terms: -42 + 42 = 0
0 + x = 0 + 42
x = 0 + 42

Combine like terms: 0 + 42 = 42
x = 42

Simplifying
x = 42
Subproblem 2
Set the factor '(1 + -2x)' equal to zero and attempt to solve:

Simplifying
1 + -2x = 0

Solving
1 + -2x = 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 + -2x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -2x = 0 + -1
-2x = 0 + -1

Combine like terms: 0 + -1 = -1
-2x = -1

Divide each side by '-2'.
x = 0.5

Simplifying
x = 0.5
Solution
x = {42, 0.5}