Question

simplify (5+2)(5-2)​

Answer 1

Step-by-step explanation:

$(x + y)( x - y) = {x}^{2} - {y}^{2}$

(5+2)(5-2) =>5^2 -2^2 =>21. Hope it helps you.

Answer 2

Answer:

5×(5-2)+2(5-2)

25-10+10-4

25-4

21