Question

Find the product using suitable identities: (4 +5x)(4-5x).
​

Answer 1

Answer:

16-25x².

Step-by-step explanation:

(4+5x)(4-5x)

(4)²-(5x)²

16-25x².

Hope it helps you.

Please mark as brainliest.

Answer 2

Step-by-step explanation:

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

a=4

b=5x

4^2-5x^2

=16-25x^2

Please mark me as brainliest