21y^2+17y+2=

Solution for 21y^2+17y+2= equation:

Simplifying
21y2 + 17y + 2 = 0

Reorder the terms:
2 + 17y + 21y2 = 0

Solving
2 + 17y + 21y2 = 0

Solving for variable 'y'.

Factor a trinomial.
(2 + 3y)(1 + 7y) = 0

Subproblem 1
Set the factor '(2 + 3y)' equal to zero and attempt to solve:

Simplifying
2 + 3y = 0

Solving
2 + 3y = 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 + 3y = 0 + -2

Combine like terms: 2 + -2 = 0
0 + 3y = 0 + -2
3y = 0 + -2

Combine like terms: 0 + -2 = -2
3y = -2

Divide each side by '3'.
y = -0.6666666667

Simplifying
y = -0.6666666667
Subproblem 2
Set the factor '(1 + 7y)' equal to zero and attempt to solve:

Simplifying
1 + 7y = 0

Solving
1 + 7y = 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 + 7y = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 7y = 0 + -1
7y = 0 + -1

Combine like terms: 0 + -1 = -1
7y = -1

Divide each side by '7'.
y = -0.1428571429

Simplifying
y = -0.1428571429
Solution
y = {-0.6666666667, -0.1428571429}