42y^2+28y-14=

Solution for 42y^2+28y-14= equation:

Simplifying
42y2 + 28y + -14 = 0

Reorder the terms:
-14 + 28y + 42y2 = 0

Solving
-14 + 28y + 42y2 = 0

Solving for variable 'y'.

Factor out the Greatest Common Factor (GCF), '14'.
14(-1 + 2y + 3y2) = 0

Factor a trinomial.
14((-1 + -1y)(1 + -3y)) = 0

Ignore the factor 14.
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 '(1 + -3y)' equal to zero and attempt to solve:

Simplifying
1 + -3y = 0

Solving
1 + -3y = 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 + -3y = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -3y = 0 + -1
-3y = 0 + -1

Combine like terms: 0 + -1 = -1
-3y = -1

Divide each side by '-3'.
y = 0.3333333333

Simplifying
y = 0.3333333333
Solution
y = {-1, 0.3333333333}