Question

Question 19

$(-43)\times (-99)+43$ is equal to

(a) 4300
(b) -4300
(c) 4257
(d) -4214

Answer 1

$(-43)\times (-99)+43=(-1)\left(43\right)\times (-99)+43=43\{-(-99)+1\}\left[taking43ascommon\right]=43(99+1)=43\times 100=4300$