Question

z³ = -64 Find the value of z² + 2z Plzz its urgent

Answer 1

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

Answer 2

Step-by-step explanation:

Solution is given in the above pic

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