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Marlee Chang
Mathematics
27 December, 21:44
LCM of polynomials 5y^2 - 80 and y + 4
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Castillo
27 December, 21:48
0
Facctore each
5y^2=5*y*y
80=5*2*2*2*2
lcm of those are
5
5 (y^2-16)
we can factor this difference of 2 perfect squares
5 (y-4) (y+4)
y+4 is the other one
so the lcm is 5y^2-80
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