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InspectorJoe
 one year ago
(2x7)(2x+7)
InspectorJoe
 one year ago
(2x7)(2x+7)

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inspectorjoe
 one year ago
Best ResponseYou've already chosen the best response.1This is what I come up with : 4x^2+9x 9x+49?

inspectorjoe
 one year ago
Best ResponseYou've already chosen the best response.14x^281+49 final results?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.07 * 7 = 49 otherwise correct. Combine like terms

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0where did 81 come from?

inspectorjoe
 one year ago
Best ResponseYou've already chosen the best response.1Sorry correction final answer 4^2+49 ?

inspectorjoe
 one year ago
Best ResponseYou've already chosen the best response.1Because the middle section clear since it comes to zero right

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Right the middle clears. Should be \[4x^249\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0because 7 * 7 = 49

inspectorjoe
 one year ago
Best ResponseYou've already chosen the best response.1Yes b cause a negative x a positive always equal to a negative

inspectorjoe
 one year ago
Best ResponseYou've already chosen the best response.1Thanks a bunch I will attempt the next one in my one and summit here to double check my results

inspectorjoe
 one year ago
Best ResponseYou've already chosen the best response.1Okay Here is my next problem: (2x+3y+4)(2x+3y4) My answer is : 4x^2+12xy+9y220y. ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0The first three terms are right. You may have made a mistake when combining. \[(2x+3y+4)(2x+3y4)\] \[= 2x(2x+3y4) + 3y(2x+3y4) + 4(2x+3y4)\] \[=4x^2 + 6xy  8x + 6xy + 9y^2  12y + 8x + 12y  16\] \[= 4x^2 + 12xy + 9y^2  16\]
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