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Izzy25Best ResponseYou've already chosen the best response.3
okay so first you move 20 over the = sign
 one year ago

UnkleRhaukusBest ResponseYou've already chosen the best response.0
\[x^2+x=20\] \[x^2+x20=0\] \[x=\frac{b\pm\sqrt{b^24ax}}{2a}\]
 one year ago

Izzy25Best ResponseYou've already chosen the best response.3
so it becomes this: dw:1343183162557:dw
 one year ago

Izzy25Best ResponseYou've already chosen the best response.3
and then like the guy did above you use the QUADRATIC FORMULAAA .. it's quite hectic i tell you... do you need help with that... i can walk you through it
 one year ago

ashleybBest ResponseYou've already chosen the best response.0
i tried that way already but my hw is asking me to find two x's
 one year ago

ashleybBest ResponseYou've already chosen the best response.0
oh..then i must of did something wrong
 one year ago

Izzy25Best ResponseYou've already chosen the best response.3
so you don't know how to do it because the quadratic formula DOES give u 2 answers
 one year ago

UnkleRhaukusBest ResponseYou've already chosen the best response.0
\[a=1,\qquad b=1,\qquad c=20\]
 one year ago

Izzy25Best ResponseYou've already chosen the best response.3
still want me to walk you though it?
 one year ago

Izzy25Best ResponseYou've already chosen the best response.3
or unkleR can help u that is...
 one year ago

ashleybBest ResponseYou've already chosen the best response.0
dw:1343183363230:dwwhen i did the quadraric formula i got
 one year ago

Izzy25Best ResponseYou've already chosen the best response.3
okay so now just do it one by one... your looking at 2 equations!
 one year ago

Izzy25Best ResponseYou've already chosen the best response.3
or you could leave it like that... idk what ur teacher likes best
 one year ago

ashleybBest ResponseYou've already chosen the best response.0
oh okay. i understand now. thx for ur help
 one year ago

.Sam.Best ResponseYou've already chosen the best response.0
You can use sum of roots and product of roots, x^2(SOR)+(POR)=0 SOR=a+b=1 POR=ab=20 Simultaneous equations, a=5, b=4 Roots are x=5, x=4
 one year ago
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