Math, asked by ananya007, 2 months ago

(a+ 3)(a -3) - 40 find it factorisation​

Answers

Answered by vehlijanta3523
1

Step-by-step explanation:

ur answer is a^2-31

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Answered by mohdakil33
1

Answer:

(a+3)(a-3)-40=0

a2-3a+3a-9-40=0

a2-49=0

(a+7)(a-7)=0

a=7 or a=-7

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