FOIL
  • 1. (x+1)(x-2)
A) x2-x-2
B) x3-2
C) x2+2x
D) x+x-2
  • 2. (x+2)(x+3)
A) x2+3x+2x+6
B) x2-6
C) x2+5x+6
D) x2+6x+6
  • 3. (x+4)(x+5)
A) x2+9x+20
B) X2-9x+20
C) x2+20
D) x2+20x+20
  • 4. (3+7x)(6+2x)
A) 8+16x+14x2
B) 14x2+12x
C) 18+48x+14x2
D) 66x+14x2
  • 5. (1+x)(3+2x)
A) x2+2x2+5x
B) x2+2x2
C) x2+2
D) 2x2+5x+3
  • 6. (x-y)(x+y)
A) x2+y2+2
B) x2-y2
C) X+y2
D) x2+y2
  • 7. (a+b)(c+d)
A) 2a2+abcd
B) a2+b2+c2+d2
C) ad+ab+ac+bd
D) ac+ad+bc+bd
  • 8. (x+y)(x+y)
A) X3+y2
B) Y2+2xy+x
C) x2+y2
D) x2+2xy+y2
  • 9. (5+x)(2x+10)
A) 20x+50
B) 10x2+50
C) x2+2x+50
D) 2x2+20x+50
  • 10. (x-2)(x-2)
A) x2+4x-4
B) x2-4x
C) x2-4x+4
D) x2-2x+4
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