simplify the expression to a + bi form: (-11 + 10i) + (7 + 6i)

Explanation:

Step1: Combine real parts

$$(-11)+7=-4$$

Step2: Combine imaginary parts

$$10i + 6i=16i$$

Step3: Write in (a + bi) form

Combine the results of real and imaginary parts.

Answer:

(-4 + 16i)