(4*(y*z(z^2 %2B 6*z - 16)))/((2*y(z %2B 8))) – InterviewSolution

1.

(4(yz(z^2 %2B 6z - 16)))/((2y(z %2B 8)))

Answer»

4yz(z^2 + 6z - 16) ÷ 2y(z + 8)

= 4yz(z^2 + 8z - 2z - 16)/ 2y(z + 8)

= z(z(z + 8) - 2(z + 8))/ (z + 8)

= z(z + 8)(z - 2)/ (z + 8)

= z(z - 2)

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