Question

(2x-y+5)²-(2x+y+5)² can be simplified to:

Answer 1

$\huge\color{navy}{\mid{\fbox{\tt{αηsωεя}}\mid}}$

(2x+5) ^2 - (2x-5)^2

by using identity

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

here ,

a = (2x+5)

b = (2x-5)

so ,

(2x+5) ^2 - (2x-5)^2 = [2x+5-(2x-5) ] [2x+5+2x-5]

=10 × 4x

= 4x

Answer 2

Answer:

Yes we can be friends what is your name?

myself Aksh/sam I'm from India class 10th

good night

sleep well^_^❄️❄️✌✨