What is (-12+48i)+(15+21i) ?

The solution to (-12+48i)+(15+21i) is 3+69i

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simplify (-12+48i)+(15+21i)

simplify

(- 12 + 48 i) + (15 + 21 i)

3 + 69 i

Solution steps

(- 12 + 48 i) + (15 + 21 i)

Group the real part and the imaginary part of the complex number

(a + bi) + (c + d i) = (a + c) + (b + d) i

= (- 12 + 15) + (48 + 21) i

Simplify

(- 12 + 15) + (48 + 21) i : 3 + 69 i

= 3 + 69 i

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