Verified Answer :

(2x+5y)(2x-5y)
=\(4x^{2} -10xy+10xy-25\)\(y^{2}\)
=\(4x^{2}- 25y^{2}\)

Answer:

The product of  \(\left(2x+\:5y\right)\left(2x\:−\:5y\right)\) is

\(4x^2-25y^2\)

Step-by-step explanation:

Given : (2x+ 5y) and (2x−5y).

We have to find the product of \(\left(2x+\:5y\right)\left(2x\:−\:5y\right)\)

Consider , the given expression  \(\left(2x+\:5y\right)\left(2x\:−\:5y\right)\)

Applying the difference of two square formula,

\(\left(a+b\right)\left(a-b\right)=a^2-b^2\)

We have,

\(=\left(2x\right)^2-\left(5y\right)^2\)

Apply exponent rule, \(\left(a\cdot \:b\right)^n=a^nb^n\)

\(=2^2x^2-5^2y^2\)

Simplify, we have,

\(=4x^2-25y^2\)

Thus, the product of  \(\left(2x+\:5y\right)\left(2x\:−\:5y\right)\) is

\(4x^2-25y^2\)