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storchak [24]
2 years ago
15

Multiply: -z^3(5 + z - 4z^2)

Mathematics
2 answers:
Margaret [11]2 years ago
8 0
—4 (-z^3) z^2 + z (—z^3) + 5 (—z^3)
ohaa [14]2 years ago
5 0

Answer:

4z^5 - z^4 - 5z³

Step-by-step explanation:

-5z³ - z^4 + 4z^5

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Find y first by eliminating the x.

Add the two equations together.

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divide both sides by -16 to get +y

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Move +60 to the other side. Sign changes from +60 to -60.

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