Question

using the suitable identities find the following products (9y-5)(9y-5)​

Answer 1

Answer:

(9y-5)(9y-5)

can be written as (9y-5)²

Now

using(a-b)² = a²-2ab+b²

so (9y)²-2×9y×5+(5²)

=》81y²-90y+25《=

=》81y²-90y+25《= =》 ANSWER《=

Step-by-step explanation:

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