Question

3 एक्स माइनस 7 स्क्वायर ​

Answer 1

Answer:

11x

I think this is your answer

Answer 2

Answer:

= (3x-7)^2 {(x-y)^2} = x^2-y^2+2xy

= (3x)^2-(7)^2+2*3x*7

= 9x^2-49+42x. Answer

Hope! solution is helpful for you...