Math, asked by DheerajPareek, 3 months ago

Simplify : z² + 11z² – 5z – 11z² + 5z

Answers

Answered by prabhath6552

9

Answer:

− z2 + 13z2 − 5z + 7z3 − 15z = 7z3 − z2 + 13z2 − 5z − 15z

= 7z3 + z2 (−1 + 13) + z (−5 − 15)

= 7z3 + 12z2 − 20z

Step-by-step explanation:

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