3a^2-8ab-28b^2=

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Solution for 3a^2-8ab-28b^2= equation:


Simplifying
3a2 + -8ab + -28b2 = 0

Reorder the terms:
-8ab + 3a2 + -28b2 = 0

Solving
-8ab + 3a2 + -28b2 = 0

Solving for variable 'a'.

Factor a trinomial.
(3a + -14b)(a + 2b) = 0

Subproblem 1

Set the factor '(3a + -14b)' equal to zero and attempt to solve: Simplifying 3a + -14b = 0 Solving 3a + -14b = 0 Move all terms containing a to the left, all other terms to the right. Add '14b' to each side of the equation. 3a + -14b + 14b = 0 + 14b Combine like terms: -14b + 14b = 0 3a + 0 = 0 + 14b 3a = 0 + 14b Remove the zero: 3a = 14b Divide each side by '3'. a = 4.666666667b Simplifying a = 4.666666667b

Subproblem 2

Set the factor '(a + 2b)' equal to zero and attempt to solve: Simplifying a + 2b = 0 Solving a + 2b = 0 Move all terms containing a to the left, all other terms to the right. Add '-2b' to each side of the equation. a + 2b + -2b = 0 + -2b Combine like terms: 2b + -2b = 0 a + 0 = 0 + -2b a = 0 + -2b Remove the zero: a = -2b Simplifying a = -2b

Solution

a = {4.666666667b, -2b}

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