4b^2=-6b+70

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Solution for 4b^2=-6b+70 equation:


Simplifying
4b2 = -6b + 70

Reorder the terms:
4b2 = 70 + -6b

Solving
4b2 = 70 + -6b

Solving for variable 'b'.

Reorder the terms:
-70 + 6b + 4b2 = 70 + -6b + -70 + 6b

Reorder the terms:
-70 + 6b + 4b2 = 70 + -70 + -6b + 6b

Combine like terms: 70 + -70 = 0
-70 + 6b + 4b2 = 0 + -6b + 6b
-70 + 6b + 4b2 = -6b + 6b

Combine like terms: -6b + 6b = 0
-70 + 6b + 4b2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(-35 + 3b + 2b2) = 0

Factor a trinomial.
2((-5 + -1b)(7 + -2b)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-5 + -1b)' equal to zero and attempt to solve: Simplifying -5 + -1b = 0 Solving -5 + -1b = 0 Move all terms containing b to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -1b = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1b = 0 + 5 -1b = 0 + 5 Combine like terms: 0 + 5 = 5 -1b = 5 Divide each side by '-1'. b = -5 Simplifying b = -5

Subproblem 2

Set the factor '(7 + -2b)' equal to zero and attempt to solve: Simplifying 7 + -2b = 0 Solving 7 + -2b = 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 + -2b = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -2b = 0 + -7 -2b = 0 + -7 Combine like terms: 0 + -7 = -7 -2b = -7 Divide each side by '-2'. b = 3.5 Simplifying b = 3.5

Solution

b = {-5, 3.5}

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