Question

Help me please and thank youuuu

Answer 1

2i²(-3+4i)=-6i²+8i³

sorry if I'm wrong

Answer 2

Explanation:

a = 2i

a² = (2i)² = 2²*i² = 4 *(-1) {i² = -1}

= -4

b = -3 + 4i

a²b = -4*(-3 + 4i) {Use distributive property}

= (-4)*(-3) + 4i*(-4)

= 12 - 16i