math357stinks
math357stinks
29-01-2016
Mathematics
contestada
5y (- 9 - 3y) = 13 What is Y?
Respuesta :
katie6wpg
katie6wpg
29-01-2016
To solve this equation, we have to use the distributive property to multiply 5y through the parentheses.
-45y - 15y^2 = 13
-15y^2 - 45y - 13 = 0
15y^2-45y-13=0
y=
32
+
130
√2805
or
y
=
32
−1
30
√
2805, when you use the quadratic formula.
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