Question

Use suitable identity & find the product of (x - 5)(x - 5)​

Answer 1

We know (x−5)(x−5)=(x−5)

2

Now using identity (x−y)

2

=x

2

−2xy+y

2

Here x=x and y=5

(x−5)

2

=(x)

2

−2×x×5+(5)

2

=x

2

−10x+25