Math, asked by khushi786, 1 year ago

(999)2-(998)22=? plz explain with steps

qais: it's (999)2-(998)22 or (999)^2-(998)^2???

khushi786: it's (999)2-(998)22

qais: ok

rayner: I think u r missing something

khushi786: may be i can't say but i've written as it is

qais: your question is wrong dear...it's (999)^2-(998)^2 and now u can apply a^2 -b^2 = (a+b)(a-b9

qais: (999-998)(999+998)= 1997

Answers

Answered by vee1

(999)2=1998
(998)22=21956

1998-21956= -19958

vee1: frist calculate multiplication or division, then + or -

khushi786: but the given answer is 1997

Answered by rayner

2(999-998*11)
2(998-10978)
2*9978
19956

Previous Question

Next Question

Similar questions

Math, 8 months ago

Math, 8 months ago

Math, 8 months ago

Economy, 1 year ago

Physics, 1 year ago

Social Sciences, 1 year ago

Social Sciences, 1 year ago

Social Sciences, 1 year ago