Mathematics: Can you factor 3x^2 +12x-36 ?

ten scores in order: 81 81 82 84 85 86 89 93 94 95 sum = 870 mean = 870/10 = 87 median 85.5 (5 above, 5 under) mode = 81 (there are two of them)...

Can you factor 3x^2 +12x-36 ? - id3212367492080, Robyn32

endreu2005

02.02.2022

$3x^2+12x-36=3(x^2+4x-12)=3(x^2+6x-2x-12)\\\\=3[x(x+6)-2(x+6)]=3(x+6)(x-2)$
Can you factor 3x^2 +12x-36 ?

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jjackson0010

02.02.2022

$3x^2 +12x-36=3(x^2+4x-12)=3(x^2-2x+6x-12)=\\\\=3[x(x-2)+6(x-2)]=3(x-2)(x+6)$

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Jake10383

14.01.2021

ten scores in order:

sum = 870

mean = 870/10 = 87

median 85.5 (5 above, 5 under)

mode = 81 (there are two of them)

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