=7y^2-5y-2

Solution for =7y^2-5y-2 equation:

Simplifying
0 = 7y2 + -5y + -2

Reorder the terms:
0 = -2 + -5y + 7y2

Solving
0 = -2 + -5y + 7y2

Solving for variable 'y'.

Combine like terms: 0 + 2 = 2
2 + 5y + -7y2 = -2 + -5y + 7y2 + 2 + 5y + -7y2

Reorder the terms:
2 + 5y + -7y2 = -2 + 2 + -5y + 5y + 7y2 + -7y2

Combine like terms: -2 + 2 = 0
2 + 5y + -7y2 = 0 + -5y + 5y + 7y2 + -7y2
2 + 5y + -7y2 = -5y + 5y + 7y2 + -7y2

Combine like terms: -5y + 5y = 0
2 + 5y + -7y2 = 0 + 7y2 + -7y2
2 + 5y + -7y2 = 7y2 + -7y2

Combine like terms: 7y2 + -7y2 = 0
2 + 5y + -7y2 = 0

Factor a trinomial.
(1 + -1y)(2 + 7y) = 0

Subproblem 1
Set the factor '(1 + -1y)' equal to zero and attempt to solve:

Simplifying
1 + -1y = 0

Solving
1 + -1y = 0

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

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

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

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

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

Simplifying
y = 1
Subproblem 2
Set the factor '(2 + 7y)' equal to zero and attempt to solve:

Simplifying
2 + 7y = 0

Solving
2 + 7y = 0

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

Add '-2' to each side of the equation.
2 + -2 + 7y = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 7y = 0 + -2
7y = 0 + -2

Combine like terms: 0 + -2 = -2
7y = -2

Divide each side by '7'.
y = -0.2857142857

Simplifying
y = -0.2857142857
Solution
y = {1, -0.2857142857}