Which system of equations can be used to find the roots of the equation 4x5 - 12x4+x-5x3 - 2x?
ly=-4x + 12x² - 6x
y = 5x3 2x
(y=4x8 – 12x - 5x² + 8x
(y = 4x5 – 12x + 6x
b= -5x² + 2x
jy = 4x – 12x² + 6x
= 5x² – 2x

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

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