Math, asked by sanjeevani330, 2 months ago

factorise1) a²-9a-90
2)x²-x-42

Answers

Answered by anik160

0

Answer:

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Answered by natarajan17041975

0

Step-by-step explanation:

1) a²-9a-90=(a-15)(a+6)

2) x²-x-42= (x-7)(x+6)

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