7d*7d-5d=

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Solution for 7d*7d-5d= equation: 


Simplifying
7d * 7d + -5d = 0

Reorder the terms for easier multiplication:
7 * 7d * d + -5d = 0

Multiply 7 * 7
49d * d + -5d = 0

Multiply d * d
49d2 + -5d = 0

Reorder the terms:
-5d + 49d2 = 0

Solving
-5d + 49d2 = 0

Solving for variable 'd'.

Factor out the Greatest Common Factor (GCF), 'd'.
d(-5 + 49d) = 0


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

Simplifying
d = 0

Solving
d = 0

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

Simplifying
d = 0

Subproblem 2
Set the factor '(-5 + 49d)' equal to zero and attempt to solve:

Simplifying
-5 + 49d = 0

Solving
-5 + 49d = 0

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

Add '5' to each side of the equation.
-5 + 5 + 49d = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 49d = 0 + 5
49d = 0 + 5

Combine like terms: 0 + 5 = 5
49d = 5

Divide each side by '49'.
d = 0.1020408163

Simplifying
d = 0.1020408163
Solution
d = {0, 0.1020408163}

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