Repost of algebra problem #6

Algebra
Tutor: None Selected Time limit: 1 Day

   2 + 122 - (-9) ∙ 2

Feb 10th, 2015

2 + 12^2 - (-9) ∙ 2

= 2 + 12*12 - (-9) * 2

= 2 + 144 + 9*2

= 2 + 144 + 18

= 146 + 18

= 164

Hence  2 + 12^2 - (-9) ∙ 2 = 164

Feb 10th, 2015

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