Question

simplify (2x+5)^-(2x-5)^
​

Answer 1

Answer:

Step-by-step explanation:

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

=40x

Answer 2

Answer:

40 x is the ans.............