2b^2-7b-14b+49=

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Solution for 2b^2-7b-14b+49= equation:


Simplifying
2b2 + -7b + -14b + 49 = 0

Reorder the terms:
49 + -7b + -14b + 2b2 = 0

Combine like terms: -7b + -14b = -21b
49 + -21b + 2b2 = 0

Solving
49 + -21b + 2b2 = 0

Solving for variable 'b'.

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

Subproblem 1

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

Subproblem 2

Set the factor '(7 + -1b)' equal to zero and attempt to solve: Simplifying 7 + -1b = 0 Solving 7 + -1b = 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 + -1b = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1b = 0 + -7 -1b = 0 + -7 Combine like terms: 0 + -7 = -7 -1b = -7 Divide each side by '-1'. b = 7 Simplifying b = 7

Solution

b = {3.5, 7}

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