Question

find the value of ( X-3) (X-3) using suitable identity​

Answer 1

Answer:

( x - 3 )(x - 3)

= ( x - 3 )²   [$(a-b)^{2} = a^{2} + b^{2} - 2ab$ ]

Here , a = x and b = 3

So , $x^{2} + 3^{2} - 2 (x)(3)$

Therefore , $x^{2}$ + 9 - 6x

Answer 2

x(x-3)-3(x-3)=(x^2-3)-(-3x-9)