Math, asked by TigerKitty786, 9 months ago

Please solve c,d,f
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Answers

Answered by anuragyadavbest05

1

Answer:

(C) = 8x² + 7x + 12 + 17x² – 15x – 21 + 4 – 9x² + 11x + 4x² – 18x + 19

= 8x² + 17x² – 9x² + 4x² + 7x – 15x + 11x – 18x + 12 – 21 + 4 + 19

= 20x² – 15x + 14

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