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Mathematics 11 Online
OpenStudy (anonymous):

I NEED HELP!!! ASAP!! FACTOR THE FOLLOWING 2d^2 - 12d + 18

rishavraj (rishavraj):

so the equations is d^2 - 6d + 18 now just factorize it

OpenStudy (anonymous):

okay let me see

rishavraj (rishavraj):

okay take ur time :))

OpenStudy (anonymous):

i tried doing it that way and i got d^2 - 6d + 9???

rishavraj (rishavraj):

now just factorize the equation....

OpenStudy (anonymous):

do i use this equation or not x^2 + bx + c ??

rishavraj (rishavraj):

wht do u mean?????u just need to factorize d^2 - 6d + 9

OpenStudy (anonymous):

im confused sorry! :/

OpenStudy (anonymous):

i did it the way ii learned with and i got (x + 3)(x - 3) ???

rishavraj (rishavraj):

nah nah its (d - 3)(d - 3) = (d - 3)^2 check this out http://www.mathsrevision.net/gcse-maths-revision/algebra/factorising

rishavraj (rishavraj):

its d^2 - 6d + 9 d^2 - 3d - 3d + 9 d(d - 3) - 3(d - 3) (d - 3) (d - 3) (d - 3)^2

OpenStudy (anonymous):

alright well thank you!!! im sorry

rishavraj (rishavraj):

yw.....

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