-2b^2+10b+4=-8b^2

Solution for -2b^2+10b+4=-8b^2 equation:

Simplifying
-2b2 + 10b + 4 = -8b2

Reorder the terms:
4 + 10b + -2b2 = -8b2

Solving
4 + 10b + -2b2 = -8b2

Solving for variable 'b'.

Combine like terms: -2b2 + 8b2 = 6b2
4 + 10b + 6b2 = -8b2 + 8b2

Combine like terms: -8b2 + 8b2 = 0
4 + 10b + 6b2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(2 + 5b + 3b2) = 0

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

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

Simplifying
1 + b = 0

Solving
1 + b = 0

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

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

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

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

Simplifying
b = -1
Subproblem 2
Set the factor '(2 + 3b)' equal to zero and attempt to solve:

Simplifying
2 + 3b = 0

Solving
2 + 3b = 0

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

Add '-2' to each side of the equation.
2 + -2 + 3b = 0 + -2

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

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

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

Simplifying
b = -0.6666666667
Solution
b = {-1, -0.6666666667}