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kevsturge
 2 years ago
Best ResponseYou've already chosen the best response.1\[x^212x+36=0\] now solve the quadratic

kevsturge
 2 years ago
Best ResponseYou've already chosen the best response.1gives x=6 can yuo see why

precal
 2 years ago
Best ResponseYou've already chosen the best response.2you can use the quadratic formula or you can factor it you can also, look at its graph and see where it crosses the x axis

kevsturge
 2 years ago
Best ResponseYou've already chosen the best response.1here yuo can factor the eqn, Do you know how to do this?

ThisShouldFeelLikeFire
 2 years ago
Best ResponseYou've already chosen the best response.0I don't understand how you got x = 6...

ThisShouldFeelLikeFire
 2 years ago
Best ResponseYou've already chosen the best response.0I'm sorry... I'm so confused. /:

ThisShouldFeelLikeFire
 2 years ago
Best ResponseYou've already chosen the best response.0Oh! Wait I think I get it!!

ThisShouldFeelLikeFire
 2 years ago
Best ResponseYou've already chosen the best response.0Took me a little bit :P Thank you both a ton!!

kevsturge
 2 years ago
Best ResponseYou've already chosen the best response.1if you factorise the equation you get (x6)(x6) so when (x6)=0 x=6 Do you see

kevsturge
 2 years ago
Best ResponseYou've already chosen the best response.1Here is how I practice factorising write the factorised end point i.e. (x+3)x+4) and expand the brackets to give\[x^2+4x+3x+12 \rightarrow x^2+7x+12\] now I take \[x^2+7x+12\] and work backwards because I know it will definitely factorise

kevsturge
 2 years ago
Best ResponseYou've already chosen the best response.1wow that's the hard way! but it does always work. Try to factorise it before going through all this stress

precal
 2 years ago
Best ResponseYou've already chosen the best response.2just presenting multiple ways to solve it. Quadratic formula works 100% of the time, factoring does not

kevsturge
 2 years ago
Best ResponseYou've already chosen the best response.1that's what I said :P
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