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