English, asked by adityathegreat11, 11 months ago

1-a -72a2. factorize it​

Answers

Answered by ButterFliee
4

Answer:

change the sign

72a^2 +a-1

72a^2+ (9-8)a-1

72a^2 + 9a -8a -1

9a(8a+1) -1(8a+1)

a=-1/8

a= 1/9

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