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InspectorJoe
 one year ago
(2x+3y+4)(2x+3y4)
My answer is :
4x^2+12xy+9y220y. ?
InspectorJoe
 one year ago
(2x+3y+4)(2x+3y4) My answer is : 4x^2+12xy+9y220y. ?

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LynFran
 one year ago
Best ResponseYou've already chosen the best response.0when we use foil we get 2x*2x+2x*3y(2x*4)+3y*2x+3y*3y(3y*4)+4*2x+4*3y(4*4) 4x^2+6xy8x+6xy+9y^212y+8x+12y16 combine like term add/subtract...

LynFran
 one year ago
Best ResponseYou've already chosen the best response.0final answer 4x^2+12xy+9y^216

DDCamp
 one year ago
Best ResponseYou've already chosen the best response.0There's a nifty trick for expanding certain polynomials. (a+b)(ab) = a²  b² Here, let a = 2x + 3y, and b = 4: (2x + 3y)²  4² is a fair bit simpler to expand, isn't it?

LynFran
 one year ago
Best ResponseYou've already chosen the best response.0yep indeed @DDCamp its much easier

inspectorjoe
 one year ago
Best ResponseYou've already chosen the best response.0But what happen with the 8x? I'm missing something

inspectorjoe
 one year ago
Best ResponseYou've already chosen the best response.0Oh I fo be it and just at got

LynFran
 one year ago
Best ResponseYou've already chosen the best response.0im telling u that not asking you...lol

inspectorjoe
 one year ago
Best ResponseYou've already chosen the best response.0Lynn here is my next problem and what I came up with.. Let me know if can help.

inspectorjoe
 one year ago
Best ResponseYou've already chosen the best response.0Sorry I was answering lol

inspectorjoe
 one year ago
Best ResponseYou've already chosen the best response.0(5x+2y+3)(5x+2y3) This is what I came up with: 25x^2+20xy15x+4y^26y?

inspectorjoe
 one year ago
Best ResponseYou've already chosen the best response.0Wait wait I gave you my incorrect answer I will give you my results right now

inspectorjoe
 one year ago
Best ResponseYou've already chosen the best response.0My correct answer is: 25x^2+20xy+4y^29

inspectorjoe
 one year ago
Best ResponseYou've already chosen the best response.0The 15 clear with the positive 15..

inspectorjoe
 one year ago
Best ResponseYou've already chosen the best response.0InspectorJoe 0 My correct answer is: 25x^2+20xy+4y^29
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