use the identity a-b × a+b: 54×59
Answers
Answered by
0
Answer: 3186
59 * 54
(60 - 1) * (50 + 4)
60 * 50 + 60 * 4 - 1 * 50 - 1 * 4
3000 + 240 - 50 - 4
3240 - 54
3186
Answered by
2
Answer:
it was asked to solve
using identity (a+b)(a-b) = a²-b²
Step-by-step explanation:
54x59 = (56.5-2.5)(56.5+2.5)
= (56.5)²- (2.5)²
= 3192.25 - 6.25
= 3186
Similar questions