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Mathematics 9 Online
OpenStudy (my4babiesandme):

give exact and approxiamate soulutions to 3 decimal points x^2 +14x + 49 = 25

OpenStudy (anonymous):

you understand that you have to first bring that 25 to the other side right?

OpenStudy (my4babiesandme):

yes

OpenStudy (anonymous):

so you should get: x^2+14x+24=0

OpenStudy (anonymous):

now, all you have to do is find two number that mutiply to be 24 and add to be 14, can you think of any?

OpenStudy (anonymous):

if not, then you have to apply the quadratic formula

OpenStudy (anonymous):

but i can assure you that there are two numbers that multiply to be 24 and add to be 14

OpenStudy (my4babiesandme):

i am having trouble give me a minute

OpenStudy (my4babiesandme):

2,12

OpenStudy (anonymous):

once you find those number simply plug them into this (x+ )(x+ ), then to check just multiply it out.

OpenStudy (my4babiesandme):

(x+2)(x+12) is this right

OpenStudy (anonymous):

that is very right :)

OpenStudy (my4babiesandme):

thank you

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