Question

Add the polynomial below.
(-12.7z³ - 14z) + (-8.9z³ + 12z + 2)

Answer 1

-21.6 z^3 - 2 z + 2

Explanation:

(-12.7z³ - 14z) + (-8.9z³ + 12z + 2)

I like to line them up vertically

(-12.7z³ - 14z)

+ (-8.9z³ + 12z + 2)

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-21.6 z^3 - 2 z + 2