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Solve this quadratic equation using the quadratic formula. (3 - y)(y + 4) = 3y - 5

Solve this quadratic equation using the quadratic formula. (3 - y)(y + 4) = 3y - 5
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4 votes
Solve this quadratic equation using the quadratic formula. (3 - y)(y + 4) = 3y - 5

User Tophatsteve
by
8.8k points

2 Answers

5 votes

Answer:

y=(4 plus or minus 2√21

Explanation:

User Sony Packman
by
8.6k points
5 votes
-y^2-4y+3y+12=3y-5
-y^2-4y+17=0
b^2-4ac=(-4)^2-4*(-1)*17=16+68=84
y=(4 plus or minus 2√21)/(-2)= -2 plus or minus √21
User Jubei
by
8.1k points
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