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Mathematics 15 Online
OpenStudy (anonymous):

what is s^2+st-6t^2 factor please asap

OpenStudy (turingtest):

asap=(a^2)sp for s^2+st-6t^2 what two things can we multiply to get s^2 ?

OpenStudy (anonymous):

lol i meant asap as soon as possiable

OpenStudy (turingtest):

I know, I was joking with you because you are trying to rush us :P the serious help I am trying to give you is my question: what times what =s^2 ?

OpenStudy (anonymous):

s and s

OpenStudy (turingtest):

good, so we know our factorization will at least have (s+_)(s-_)

OpenStudy (turingtest):

we know one will be + and the other minus because the last term is negative, which can only come from multiplying a negative and positive

OpenStudy (anonymous):

okay

OpenStudy (turingtest):

now to fill in the other terms you need to think off all the combinations that multiply to 6t^2 what are they?

OpenStudy (anonymous):

3t times 2 t

OpenStudy (turingtest):

there are others, like 6t*t or even 6t^2*1, but yes you have the right one in the future be prepared to check them all though

OpenStudy (turingtest):

so knowing that the other terms are 3t and 2t that leaves two possibilities (s+3t)(s-2t) or (s+2t)(s-3t) which one is the correct factorization of s^2+st-6t^2 ???

OpenStudy (anonymous):

the first one

OpenStudy (turingtest):

how do you know?

OpenStudy (anonymous):

becausee when i muilty the two they equal 6 and when added equals 1 rte

OpenStudy (turingtest):

exactly :) good job!

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