7a^2-13ab-2b^2=

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Solution for 7a^2-13ab-2b^2= equation:


Simplifying
7a2 + -13ab + -2b2 = 0

Reorder the terms:
-13ab + 7a2 + -2b2 = 0

Solving
-13ab + 7a2 + -2b2 = 0

Solving for variable 'a'.

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

Subproblem 1

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

Subproblem 2

Set the factor '(7a + b)' equal to zero and attempt to solve: Simplifying 7a + b = 0 Solving 7a + b = 0 Move all terms containing a to the left, all other terms to the right. Add '-1b' to each side of the equation. 7a + b + -1b = 0 + -1b Combine like terms: b + -1b = 0 7a + 0 = 0 + -1b 7a = 0 + -1b Remove the zero: 7a = -1b Divide each side by '7'. a = -0.1428571429b Simplifying a = -0.1428571429b

Solution

a = {2b, -0.1428571429b}

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