5b^2=-2b+7

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Solution for 5b^2=-2b+7 equation:


Simplifying
5b2 = -2b + 7

Reorder the terms:
5b2 = 7 + -2b

Solving
5b2 = 7 + -2b

Solving for variable 'b'.

Reorder the terms:
-7 + 2b + 5b2 = 7 + -2b + -7 + 2b

Reorder the terms:
-7 + 2b + 5b2 = 7 + -7 + -2b + 2b

Combine like terms: 7 + -7 = 0
-7 + 2b + 5b2 = 0 + -2b + 2b
-7 + 2b + 5b2 = -2b + 2b

Combine like terms: -2b + 2b = 0
-7 + 2b + 5b2 = 0

Factor a trinomial.
(-7 + -5b)(1 + -1b) = 0

Subproblem 1

Set the factor '(-7 + -5b)' equal to zero and attempt to solve: Simplifying -7 + -5b = 0 Solving -7 + -5b = 0 Move all terms containing b to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -5b = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -5b = 0 + 7 -5b = 0 + 7 Combine like terms: 0 + 7 = 7 -5b = 7 Divide each side by '-5'. b = -1.4 Simplifying b = -1.4

Subproblem 2

Set the factor '(1 + -1b)' equal to zero and attempt to solve: Simplifying 1 + -1b = 0 Solving 1 + -1b = 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 + -1b = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1b = 0 + -1 -1b = 0 + -1 Combine like terms: 0 + -1 = -1 -1b = -1 Divide each side by '-1'. b = 1 Simplifying b = 1

Solution

b = {-1.4, 1}

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