-9i(-9i+4)+3(8+8i)=-57i-12i

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Solution for -9i(-9i+4)+3(8+8i)=-57i-12i equation:


Simplifying
-9i(-9i + 4) + 3(8 + 8i) = -57i + -12i

Reorder the terms:
-9i(4 + -9i) + 3(8 + 8i) = -57i + -12i
(4 * -9i + -9i * -9i) + 3(8 + 8i) = -57i + -12i
(-36i + 81i2) + 3(8 + 8i) = -57i + -12i
-36i + 81i2 + (8 * 3 + 8i * 3) = -57i + -12i
-36i + 81i2 + (24 + 24i) = -57i + -12i

Reorder the terms:
24 + -36i + 24i + 81i2 = -57i + -12i

Combine like terms: -36i + 24i = -12i
24 + -12i + 81i2 = -57i + -12i

Combine like terms: -57i + -12i = -69i
24 + -12i + 81i2 = -69i

Solving
24 + -12i + 81i2 = -69i

Solving for variable 'i'.

Reorder the terms:
24 + -12i + 69i + 81i2 = -69i + 69i

Combine like terms: -12i + 69i = 57i
24 + 57i + 81i2 = -69i + 69i

Combine like terms: -69i + 69i = 0
24 + 57i + 81i2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(8 + 19i + 27i2) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(8 + 19i + 27i2)' equal to zero and attempt to solve: Simplifying 8 + 19i + 27i2 = 0 Solving 8 + 19i + 27i2 = 0 Begin completing the square. Divide all terms by 27 the coefficient of the squared term: Divide each side by '27'. 0.2962962963 + 0.7037037037i + i2 = 0 Move the constant term to the right: Add '-0.2962962963' to each side of the equation. 0.2962962963 + 0.7037037037i + -0.2962962963 + i2 = 0 + -0.2962962963 Reorder the terms: 0.2962962963 + -0.2962962963 + 0.7037037037i + i2 = 0 + -0.2962962963 Combine like terms: 0.2962962963 + -0.2962962963 = 0.0000000000 0.0000000000 + 0.7037037037i + i2 = 0 + -0.2962962963 0.7037037037i + i2 = 0 + -0.2962962963 Combine like terms: 0 + -0.2962962963 = -0.2962962963 0.7037037037i + i2 = -0.2962962963 The i term is 0.7037037037i. Take half its coefficient (0.3518518519). Square it (0.1237997257) and add it to both sides. Add '0.1237997257' to each side of the equation. 0.7037037037i + 0.1237997257 + i2 = -0.2962962963 + 0.1237997257 Reorder the terms: 0.1237997257 + 0.7037037037i + i2 = -0.2962962963 + 0.1237997257 Combine like terms: -0.2962962963 + 0.1237997257 = -0.1724965706 0.1237997257 + 0.7037037037i + i2 = -0.1724965706 Factor a perfect square on the left side: (i + 0.3518518519)(i + 0.3518518519) = -0.1724965706 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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