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Mathematics 15 Online
OpenStudy (anonymous):

n^2-15n+50

OpenStudy (anonymous):

factor this

OpenStudy (cwrw238):

you need to find 2 numbers whose product is +50 and whose sum is -15

OpenStudy (anonymous):

5*10 5+10

OpenStudy (cwrw238):

what 2 numbers when multiplied together give 50?

OpenStudy (cwrw238):

oh sorry you are nearly there - but you need -15 not 15

OpenStudy (anonymous):

so -5+-10

OpenStudy (cwrw238):

-15 because its -15n

OpenStudy (anonymous):

-5*-10

OpenStudy (cwrw238):

right so the factors are (x - 10)(x - 5)

OpenStudy (anonymous):

ok so then x=10 and x=5

OpenStudy (cwrw238):

if you mean the zeros of x^2 - 15x + 50 = 0 yes

OpenStudy (anonymous):

yeah im pretty sure, thank you so much, can i message u if i have any more questions?

OpenStudy (cwrw238):

sure - im here for another 15 minutes

OpenStudy (anonymous):

alright

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