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alexandr1967 [171]
4 years ago
11

5y (- 9 - 3y) = 13 What is Y?

Mathematics
1 answer:
Murrr4er [49]4 years ago
8 0
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
<span>y=<span><span>32</span>+<span><span><span><span>130</span><span>√2805</span></span><span> or </span></span>y</span></span></span>=<span><span>32</span><span><span><span>−1</span>30</span><span>√<span>2805, when you use the quadratic formula.</span></span></span></span>

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