Question

find (x-7)^2 by using identity -II
chapter - algebraic identities ​

Answer 1

Explanation:

see this attachment

click on that

you will get your answer

Answer 2

Answer:

x^2 + - 14x + 49

Explanation:

( x - 7 )^2

Formula / Identity : -

( a - b )^2 = a^2 + b^2 - 2ab

Here,

a = x

b = 7

( x - 7 )^2

= x^2 + 7^2 - 2 ( 7 ) ( x )

= x^2 + 49 - 14x

= x^2 - 14x + 49