100i^2-700i+1200=0

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Solution for 100i^2-700i+1200=0 equation:


Simplifying
100i2 + -700i + 1200 = 0

Reorder the terms:
1200 + -700i + 100i2 = 0

Solving
1200 + -700i + 100i2 = 0

Solving for variable 'i'.

Factor out the Greatest Common Factor (GCF), '100'.
100(12 + -7i + i2) = 0

Factor a trinomial.
100((3 + -1i)(4 + -1i)) = 0

Ignore the factor 100.

Subproblem 1

Set the factor '(3 + -1i)' equal to zero and attempt to solve: Simplifying 3 + -1i = 0 Solving 3 + -1i = 0 Move all terms containing i to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1i = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1i = 0 + -3 -1i = 0 + -3 Combine like terms: 0 + -3 = -3 -1i = -3 Divide each side by '-1'. i = 3 Simplifying i = 3

Subproblem 2

Set the factor '(4 + -1i)' equal to zero and attempt to solve: Simplifying 4 + -1i = 0 Solving 4 + -1i = 0 Move all terms containing i to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1i = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1i = 0 + -4 -1i = 0 + -4 Combine like terms: 0 + -4 = -4 -1i = -4 Divide each side by '-1'. i = 4 Simplifying i = 4

Solution

i = {3, 4}

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