4b^2+(-7)b=0

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Solution for 4b^2+(-7)b=0 equation: 


Simplifying
4b2 + (-7) * b = 0

Reorder the terms:
-7b + 4b2 = 0

Solving
-7b + 4b2 = 0

Solving for variable 'b'.

Factor out the Greatest Common Factor (GCF), 'b'.
b(-7 + 4b) = 0


Subproblem 1
Set the factor 'b' equal to zero and attempt to solve:

Simplifying
b = 0

Solving
b = 0

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

Simplifying
b = 0

Subproblem 2
Set the factor '(-7 + 4b)' equal to zero and attempt to solve:

Simplifying
-7 + 4b = 0

Solving
-7 + 4b = 0

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

Add '7' to each side of the equation.
-7 + 7 + 4b = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 4b = 0 + 7
4b = 0 + 7

Combine like terms: 0 + 7 = 7
4b = 7

Divide each side by '4'.
b = 1.75

Simplifying
b = 1.75
Solution
b = {0, 1.75}

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