4b^2-32b=4(b-3)(b-5)

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Solution for 4b^2-32b=4(b-3)(b-5) equation:


Simplifying
4b2 + -32b = 4(b + -3)(b + -5)

Reorder the terms:
-32b + 4b2 = 4(b + -3)(b + -5)

Reorder the terms:
-32b + 4b2 = 4(-3 + b)(b + -5)

Reorder the terms:
-32b + 4b2 = 4(-3 + b)(-5 + b)

Multiply (-3 + b) * (-5 + b)
-32b + 4b2 = 4(-3(-5 + b) + b(-5 + b))
-32b + 4b2 = 4((-5 * -3 + b * -3) + b(-5 + b))
-32b + 4b2 = 4((15 + -3b) + b(-5 + b))
-32b + 4b2 = 4(15 + -3b + (-5 * b + b * b))
-32b + 4b2 = 4(15 + -3b + (-5b + b2))

Combine like terms: -3b + -5b = -8b
-32b + 4b2 = 4(15 + -8b + b2)
-32b + 4b2 = (15 * 4 + -8b * 4 + b2 * 4)
-32b + 4b2 = (60 + -32b + 4b2)

Add '32b' to each side of the equation.
-32b + 32b + 4b2 = 60 + -32b + 32b + 4b2

Combine like terms: -32b + 32b = 0
0 + 4b2 = 60 + -32b + 32b + 4b2
4b2 = 60 + -32b + 32b + 4b2

Combine like terms: -32b + 32b = 0
4b2 = 60 + 0 + 4b2
4b2 = 60 + 4b2

Add '-4b2' to each side of the equation.
4b2 + -4b2 = 60 + 4b2 + -4b2

Combine like terms: 4b2 + -4b2 = 0
0 = 60 + 4b2 + -4b2

Combine like terms: 4b2 + -4b2 = 0
0 = 60 + 0
0 = 60

Solving
0 = 60

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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