Question

Find the product: (x + 5)(x − 5)

x2 + 25

x2 − 25

x2 − 10

x2 − 5

Answer 1

x2 − 25
(a+b)(a-b)=a²-b²

Answer 2

\(\Large \color{Black}{\Rightarrow (a + b)(a - b) = a^2 - b^2 \Longleftrightarrow (x + 5)(x - 5) = x^2 - 5^2 }\)

So x^2 - 25

Answer 3

dude seriously. you keep asking similar questions. >.< Just multiply the answers. :/