Jolene invests her savings in two bank accounts, one paying 6% and the other paying 12% interest per year.
She puts twice as much in the lower-yielding account because it is less risky.
If she earned $6936 of total interest for the year, how much was invested in each account?

answer: 414,377,008

step-by-step explanation:

just multiply it

hello from mrbilldoesmath!

answer:   x (x+6)^2, choice b

discussion:

factor x out of the equation:

x^3 + 12x^2 + 36x = x (x^2 + 12x + 36).

note that 6+6 = 12 and 6*6 = 36 so the above factors into:

x (x+6)^2

which is choice b

you,

mrb

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