Math, asked by sankarankit00, 8 months ago

Simplify combining like terms: (i) 21b – 32 + 7b – 20b (ii) – z2 + 13z2 – 5z + 7z3 – 15z

Answers

Answered by abysonanoop6

1

Answer:

1. 21b-20b+7b

ans 8b

2. -z²+13z² -5z-15z +7z³

-12z² -20z² +7z³

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