Evaluate by using suitable identity
(i) (20 + 8) (20 - 8)
Answers
Answered by
1
Answer:
20(8+(-8). 20 (8- 8). 20
Answered by
1
Answer:
336
Explanation:
Using the identity (x+a)(x-a)= x^2 - a^2
= 20^2 - 8^2
= 400 - 64
= 336
PLEASE MARK AS BRAINLIEST
Similar questions