tricky math problem!!! please help me worth 10 points?

0 ⤊

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2007-11-01 13:32:38 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

2007-11-01 13:37:20 · answer #1 · answered by Scythian1950 7 · 0⤊ 0⤋

(2â7 + â3)(3â7 - â2)
= (6(7) - 2â7â2 + 3â3â7 - â3â2)
= (42 - 2â14 + 3â21 - â6)

2007-11-01 13:40:02 · answer #2 · answered by J D 5 · 0⤊ 0⤋

6sqrt49 - 2sqrt14 + 3sqrt21 - sqrt6
answer D

2007-11-01 13:37:42 · answer #3 · answered by ssssh 5 · 0⤊ 0⤋

The answer is d)

2007-11-01 13:38:20 · answer #4 · answered by santmann2002 7 · 0⤊ 0⤋