-6b(7a-3b)+7(-5ab-7b^2)=

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Solution for -6b(7a-3b)+7(-5ab-7b^2)= equation:


Simplifying
-6b(7a + -3b) + 7(-5ab + -7b2) = 0
(7a * -6b + -3b * -6b) + 7(-5ab + -7b2) = 0
(-42ab + 18b2) + 7(-5ab + -7b2) = 0
-42ab + 18b2 + (-5ab * 7 + -7b2 * 7) = 0
-42ab + 18b2 + (-35ab + -49b2) = 0

Reorder the terms:
-42ab + -35ab + 18b2 + -49b2 = 0

Combine like terms: -42ab + -35ab = -77ab
-77ab + 18b2 + -49b2 = 0

Combine like terms: 18b2 + -49b2 = -31b2
-77ab + -31b2 = 0

Solving
-77ab + -31b2 = 0

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '31b2' to each side of the equation.
-77ab + -31b2 + 31b2 = 0 + 31b2

Combine like terms: -31b2 + 31b2 = 0
-77ab + 0 = 0 + 31b2
-77ab = 0 + 31b2
Remove the zero:
-77ab = 31b2

Divide each side by '-77b'.
a = -0.4025974026b

Simplifying
a = -0.4025974026b

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