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7) 32 – 6 – 2 + 9 ( )
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361 (2,5) – .
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1. 12 – 3 2
1) 3 (4 – 3)
2) 3 ( – )
3) (12-3)
4) 3(4-)
2. a(-2) + b(x-2)
1) (a+b)(x+2)
2) a(x-2)
3) (x-2)(a+b)
4) (x-2)ab
3. (2-3x)(4x+1)
1) 8x+2
2) 5x-122+2
3) -122-3x+2
4) 82-3x
4. (5m-3n)(m+n) -5m2
1) 2mn+3n2
2) -2mn-3n2
3) 8mn-3n2
4) 2mn-3n2
5. 8 (3 + )2 – 12 ( 6 + 4)
1) 96+8
2) 8
3) 72 2 – 48 + 82
4) -8
(0) : 03/17/2014