Question

this 2 answers r very urgent pls​

Answer 1

Step-by-step explanation:

A}. -14 a³b² - 7 a³b² + 21

= 14 a³b² = 14 a ³ × ³ × ³ b ² × ² × ²

= 3 × 3 × 3 = 27

= 2 × 2 = 4

a²⅞ b ⁴

= 27 × 4 + 21

= 129

hope its help ..

Answer 2

Answer:

here's your answer mate

I hope it will help you