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Umnica [9.8K]
3 years ago
15

Factor 5z^3+34z^2+53z-12 given that z+3 is a factor

Mathematics
1 answer:
Elis [28]3 years ago
8 0
Do a long division 
the quotient comes to 

5z^2 + 19z - 4

this factors to

(5z - 1)(z + 4)

so factors are (z+3)(z+4)(5z-1)
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Please Help me!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
postnew [5]

Let Jenny = J

Let Mica = M

J = M + 4

Now you have to represent 5 years ago

J - 5 = 2*(M - 5)

J - 5 = 2M - 10                Substitute J = M + 4 Into this equation

M + 4 - 5 = 2M - 10        Combine terms on the left

M - 1 = 2M - 10               Add 10 to both sides    

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J = M + 4                       Substitute Miki's age for M

J = 9 + 4                         Answer Jenny

J = 13

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Jenny = 13

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