7X^2+55x-42=0

Solution for 7X^2+55x-42=0 equation:

Simplifying
7X2 + 55x + -42 = 0

Reorder the terms:
-42 + 7X2 + 55x = 0

Solving
-42 + 7X2 + 55x = 0

Solving for variable 'X'.

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

Add '42' to each side of the equation.
-42 + 7X2 + 42 + 55x = 0 + 42

Reorder the terms:
-42 + 42 + 7X2 + 55x = 0 + 42

Combine like terms: -42 + 42 = 0
0 + 7X2 + 55x = 0 + 42
7X2 + 55x = 0 + 42

Combine like terms: 0 + 42 = 42
7X2 + 55x = 42

Add '-55x' to each side of the equation.
7X2 + 55x + -55x = 42 + -55x

Combine like terms: 55x + -55x = 0
7X2 + 0 = 42 + -55x
7X2 = 42 + -55x

Divide each side by '7'.
X2 = 6 + -7.857142857x

Simplifying
X2 = 6 + -7.857142857x

Reorder the terms:
-6 + X2 + 7.857142857x = 6 + -7.857142857x + -6 + 7.857142857x

Reorder the terms:
-6 + X2 + 7.857142857x = 6 + -6 + -7.857142857x + 7.857142857x

Combine like terms: 6 + -6 = 0
-6 + X2 + 7.857142857x = 0 + -7.857142857x + 7.857142857x
-6 + X2 + 7.857142857x = -7.857142857x + 7.857142857x

Combine like terms: -7.857142857x + 7.857142857x = 0.000000000
-6 + X2 + 7.857142857x = 0.000000000

The solution to this equation could not be determined.