Question

107×423
(100+7)(100-7)
using (a+b)(a-b) =a²-b²
=100-7
=10000-49
=599938
​

Answer 1

$(100 + 7)(100 - 7) \\ ( {100}^{2} ) - ( {7}^{2} ) \\ 10000 - 49 \\ 9951...answer$

Answer 2

Answer:

100+7)(100−7)

(100

2

)−(7

2

)

10000−49

9951...answer