Math, asked by gopis5440, 10 months ago

Find the product of (a + b) (a2 - 3ab + 2b2) and verify the result for a= -1 and b= -2

Answers

Answered by aarohi930
0

-9

Step-by-step explanation:

a=-1

b=-2

  1. -1+(-2)×[(-1×-1)-(3×-1×-2)+(2×-2×-2)]
  2. (-1-2)×[1-6+8]
  3. -3×[9-6]
  4. -3×3
  5. 9

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