25b^2+10b=8

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Solution for 25b^2+10b=8 equation:


Simplifying
25b2 + 10b = 8

Reorder the terms:
10b + 25b2 = 8

Solving
10b + 25b2 = 8

Solving for variable 'b'.

Reorder the terms:
-8 + 10b + 25b2 = 8 + -8

Combine like terms: 8 + -8 = 0
-8 + 10b + 25b2 = 0

Factor a trinomial.
(-4 + -5b)(2 + -5b) = 0

Subproblem 1

Set the factor '(-4 + -5b)' equal to zero and attempt to solve: Simplifying -4 + -5b = 0 Solving -4 + -5b = 0 Move all terms containing b to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -5b = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -5b = 0 + 4 -5b = 0 + 4 Combine like terms: 0 + 4 = 4 -5b = 4 Divide each side by '-5'. b = -0.8 Simplifying b = -0.8

Subproblem 2

Set the factor '(2 + -5b)' equal to zero and attempt to solve: Simplifying 2 + -5b = 0 Solving 2 + -5b = 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 + -5b = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -5b = 0 + -2 -5b = 0 + -2 Combine like terms: 0 + -2 = -2 -5b = -2 Divide each side by '-5'. b = 0.4 Simplifying b = 0.4

Solution

b = {-0.8, 0.4}

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