Math, asked by 258331, 11 months ago

9a²b²-25 factorise please factorise

Answers

Answered by manas3379
9

Step-by-step explanation:

9a²b² - 25

= (3ab)² - 5²

= (3ab + 5)(3ab - 5)

Answered by ojuaggarwal
1

Answer:

Step-by-step explanation:

9a^{2} b^{2}-25[tex]</p><p>=[tex](3ab)^{2} -5^{2}      (∵a^{2} -b^{2} = (a-b) (a+b))

= (3a+5) (3a-5)

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