Answers

2016-07-21T22:32:33+08:00
3×[3+2(+-3)]
3×[5(-3)]
3×(-45)
=-135
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Hmm... I don't know but I think that 'x' is a variable :)
Oh. Nevermind.
2016-07-21T22:50:26+08:00
−18x2+9xYan po ba sagot
 
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