20b^2+17b-63=

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Solution for 20b^2+17b-63= equation:


Simplifying
20b2 + 17b + -63 = 0

Reorder the terms:
-63 + 17b + 20b2 = 0

Solving
-63 + 17b + 20b2 = 0

Solving for variable 'b'.

Factor a trinomial.
(-9 + -4b)(7 + -5b) = 0

Subproblem 1

Set the factor '(-9 + -4b)' equal to zero and attempt to solve: Simplifying -9 + -4b = 0 Solving -9 + -4b = 0 Move all terms containing b to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -4b = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -4b = 0 + 9 -4b = 0 + 9 Combine like terms: 0 + 9 = 9 -4b = 9 Divide each side by '-4'. b = -2.25 Simplifying b = -2.25

Subproblem 2

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

Solution

b = {-2.25, 1.4}

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