-4x(-7x-9+10b)=

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Solution for -4x(-7x-9+10b)= equation:


Simplifying
-4x(-7x + -9 + 10b) = 0

Reorder the terms:
-4x(-9 + 10b + -7x) = 0
(-9 * -4x + 10b * -4x + -7x * -4x) = 0

Reorder the terms:
(-40bx + 36x + 28x2) = 0
(-40bx + 36x + 28x2) = 0

Solving
-40bx + 36x + 28x2 = 0

Solving for variable 'b'.

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

Add '-36x' to each side of the equation.
-40bx + 36x + -36x + 28x2 = 0 + -36x

Combine like terms: 36x + -36x = 0
-40bx + 0 + 28x2 = 0 + -36x
-40bx + 28x2 = 0 + -36x
Remove the zero:
-40bx + 28x2 = -36x

Add '-28x2' to each side of the equation.
-40bx + 28x2 + -28x2 = -36x + -28x2

Combine like terms: 28x2 + -28x2 = 0
-40bx + 0 = -36x + -28x2
-40bx = -36x + -28x2

Divide each side by '-40x'.
b = 0.9 + 0.7x

Simplifying
b = 0.9 + 0.7x

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