Question

(5x+1)(5x-1) what is the answer

Answer 1

• (a+b)(a-b)=a^2-b^2

$\\ \rm\Rrightarrow (5x+1)(5x-1)$

$\\ \rm\Rrightarrow (5x)^2-(1)^2$

$\\ \rm\Rrightarrow 25x^2-1$

Answer 2

Answer: 25x²-1

i have attached a graph of it if you need it :)