-4(-4+I)+5(1+5i)=

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Solution for -4(-4+I)+5(1+5i)= equation:


Simplifying
-4(-4 + I) + 5(1 + 5i) = 0
(-4 * -4 + I * -4) + 5(1 + 5i) = 0
(16 + -4I) + 5(1 + 5i) = 0
16 + -4I + (1 * 5 + 5i * 5) = 0
16 + -4I + (5 + 25i) = 0

Reorder the terms:
16 + 5 + -4I + 25i = 0

Combine like terms: 16 + 5 = 21
21 + -4I + 25i = 0

Solving
21 + -4I + 25i = 0

Solving for variable 'I'.

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

Add '-21' to each side of the equation.
21 + -4I + -21 + 25i = 0 + -21

Reorder the terms:
21 + -21 + -4I + 25i = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -4I + 25i = 0 + -21
-4I + 25i = 0 + -21

Combine like terms: 0 + -21 = -21
-4I + 25i = -21

Add '-25i' to each side of the equation.
-4I + 25i + -25i = -21 + -25i

Combine like terms: 25i + -25i = 0
-4I + 0 = -21 + -25i
-4I = -21 + -25i

Divide each side by '-4'.
I = 5.25 + 6.25i

Simplifying
I = 5.25 + 6.25i

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