1.

Z³ = -64 Find the value of z² + 2z Plzz its urgent

Answer»

Here is the answer=

x^3=-64\\x=\sqrt[3]{-64} \\x=-4\\z^2=(-4)^2\\z^2=16\\2z=2*(-4)\\2z=-8\\z^2+2z=16+(-8)=8

Answer=

8


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