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Mathematics 7 Online
OpenStudy (anonymous):

(6t^2+11)(6t^2-11) I think I'm overthinking, but is this 0? Or do have to multiply them? If so, is 6t^2 multiplied by itself 36t^2 or 36t^4? (6t^2+11)(6t^2-11)

OpenStudy (sepeario):

Do you know how to expand quadratic equations?

OpenStudy (sepeario):

Remember the acronym F.O.I.L (first, outside, inside, last)

OpenStudy (anonymous):

Yea, we've had this problem before.

OpenStudy (misty1212):

lol no you are underthinking!\[(a+b)(a-b)=a^2-b^2\]

OpenStudy (anonymous):

Oh shoot totally forgot about F.O.I.L @Sepeario

OpenStudy (anonymous):

@misty1212 Lol, thanks. I got it.

OpenStudy (sepeario):

or using the difference of perfect squares oops lol ^^

OpenStudy (anonymous):

@Sepeario Yea, I remember. I'e just been doing so much geometry. I forgot about algebra :P

OpenStudy (sepeario):

i'm not trying to confuse you here but technically most quadratics = 0. so 'it is 0' :)

OpenStudy (anonymous):

Oh! I see~ Thanks! :) And no worries, you're not confusing me.

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