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Mathematics 13 Online
OpenStudy (calculusxy):

Quadratic expressions...

OpenStudy (calculusxy):

@jim_thompson5910

OpenStudy (calculusxy):

\[4a^2 + 8a = 20\]

OpenStudy (calculusxy):

\[\frac{ -8 \pm \sqrt{384} }{ 8 }\] \[\frac{ -8 \pm 2\sqrt{96} }{ 8 }\]

OpenStudy (calculusxy):

How can i simplify this even more?

Nnesha (nnesha):

factor 96

Nnesha (nnesha):

what two numbers would you multiply to get 96 but one of the number should b perfect square :=))

OpenStudy (calculusxy):

would it be 4 x 14 ?

OpenStudy (calculusxy):

sorry 4 x 24

Nnesha (nnesha):

btw to make it easy first you should take out the GCF

OpenStudy (anonymous):

16x6

Nnesha (nnesha):

you can factor 24

Nnesha (nnesha):

i gtg but i suggest to take out the gcf first to make it easy

OpenStudy (calculusxy):

6 x 4

Vocaloid (vocaloid):

the square root of 96 simplifies to 4*sqrt(6)

Vocaloid (vocaloid):

so now we have|dw:1444965147256:dw|

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