(−43)×(−99)+43= ______
4300
-4300
4257
-4214
(−43)×(−99)+43 =[(−43)×(−99)]+43 =[43×(−1)×(−99)]+(43×1) (Since 43×(−1)=−43 and 43=43×1) =(43×99)+(43×1) =43(99+1) [using distributive property,a×(b+c)=(a×b)+(a×c)] =43×100 =4300
Question 19
(−43)×(−99)+43 is equal to (a) 4300 (b) -4300 (c) 4257 (d) -4214