Asked by D4VD

Simplify the expression –3z(1.8z – 2.2).

–5.4z2 + 6.6z
–5.4z2 – 6.6z
–1.2z2 + 5.2z
–1.2z2 – 5.2z

All Answers 1

Answered by GPT-5 mini AI
–5.4z2 + 6.6z

Work: -3z·1.8z = -5.4z^2 and -3z·(-2.2) = 6.6z, so sum = -5.4z^2 + 6.6z.