6a^2-7ab-20b^2=0

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Solution for 6a^2-7ab-20b^2=0 equation:


Simplifying
6a2 + -7ab + -20b2 = 0

Reorder the terms:
-7ab + 6a2 + -20b2 = 0

Solving
-7ab + 6a2 + -20b2 = 0

Solving for variable 'a'.

Factor a trinomial.
(2a + -5b)(3a + 4b) = 0

Subproblem 1

Set the factor '(2a + -5b)' equal to zero and attempt to solve: Simplifying 2a + -5b = 0 Solving 2a + -5b = 0 Move all terms containing a to the left, all other terms to the right. Add '5b' to each side of the equation. 2a + -5b + 5b = 0 + 5b Combine like terms: -5b + 5b = 0 2a + 0 = 0 + 5b 2a = 0 + 5b Remove the zero: 2a = 5b Divide each side by '2'. a = 2.5b Simplifying a = 2.5b

Subproblem 2

Set the factor '(3a + 4b)' equal to zero and attempt to solve: Simplifying 3a + 4b = 0 Solving 3a + 4b = 0 Move all terms containing a to the left, all other terms to the right. Add '-4b' to each side of the equation. 3a + 4b + -4b = 0 + -4b Combine like terms: 4b + -4b = 0 3a + 0 = 0 + -4b 3a = 0 + -4b Remove the zero: 3a = -4b Divide each side by '3'. a = -1.333333333b Simplifying a = -1.333333333b

Solution

a = {2.5b, -1.333333333b}

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