Multiply. (9x+4)(9x-4)
Question
Updated 8/30/2014 5:33:57 PM
Confirmed by andrewpallarca [8/30/2014 5:33:57 PM]
Original conversation
User: Multiply. (9x+4)(9x-4)

Weegy: (9x+4)(9x-4) = 81x^2-36x+36x-16 = 81x^2-16

User: Simplify. (x-9)(x+9)-(-5x-1)(x-9)

Weegy: (x-9)(x+9)-(-5x-1)(x-9) =x^2+9x-9x-81-(-5x^2+45x-1x+9) =x^2-81+5x^2-45x+1x-9 =6x^2-44x-90

Question
Updated 8/30/2014 5:33:57 PM
Confirmed by andrewpallarca [8/30/2014 5:33:57 PM]
Rating

Questions asked by the same visitor
Multiply (x + 2)(y – 5)
Weegy: (x + 2)(y – 5) = xy - 5x + 2y - 10 (More)
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Updated 1/11/2014 1:46:23 PM
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