Question

Find the product of (2x + 5y)(2x − 5y).

Answer 1

use this :-

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

Answer 2

a = 2x, b = 5y

Answer 3

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

= ?

Answer 4

4x2 − 25y2

Answer 5

i say distibute

Answer 6

thats right ! gw !!

Answer 7

4x^2-10xy+10xy-25y^2
4x^2-25y^2
so yes :)

Answer 8

thank you :)

Answer 9

distribution always works :) yw !