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Bookworm14
 one year ago
I am not sure what this is asking for, can someone help me please?! Thank you!
Okay this is my back to school review on khan academy, I solved the problem, easy as pie, I got x^281 , but what on earth is it asking for in the other part? I will put a screenshot in the comments, thank you!
Bookworm14
 one year ago
I am not sure what this is asking for, can someone help me please?! Thank you! Okay this is my back to school review on khan academy, I solved the problem, easy as pie, I got x^281 , but what on earth is it asking for in the other part? I will put a screenshot in the comments, thank you!

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welshfella
 one year ago
Best ResponseYou've already chosen the best response.1first expand (x  9)(x + 9) then compare it term by term with x^2 + rx + t

Bookworm14
 one year ago
Best ResponseYou've already chosen the best response.0I know that, but x^281 does not match terms???

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1x^2 + rx + t x^2 = 0x  81

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1* that is + 0x (typo)

phi
 one year ago
Best ResponseYou've already chosen the best response.0they want you to notice that 0 can make things "disappear"

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1dw:1439394425370:dw

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1r corresponds to 0 and t corresponds to 81

Bookworm14
 one year ago
Best ResponseYou've already chosen the best response.0yes i follow, that is what i thought it meant, but i ddnt want to get it wrong becuase it would have made me start my streak over. so for "r" i enter 0? and for t i put the 81?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.10x = 0 so the x term disappears

Bookworm14
 one year ago
Best ResponseYou've already chosen the best response.0fwew i got it right! i was panicing over nothin! thank yall!!
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