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  • Bonus Time 1+2+3+4+5+6+7+8+9+10=
    55
  • (x-1)(x-3)=
    x^2-4x+3
  • 6x-[x+y-{3y-(x-3y)
    4x+5y
  • 0.5x-7=8-x
    10
  • -2x(3x-5y)
    -6x^2+10xy
  • x^2+3x-18
    -6 or 3
  • -2x(3x-5y)
    -6x^2+10xy
  • 2a(3a+1)=
    6a^2+2a
  • make simply 6ab÷2a^2b×3ab^3
    9ab^4
  • (3x-2y)(2x+y)=
    6x^2-xy-2y^2
  • make simply (-3a^5)^2
    9a^10