What are the solution for
1.Y²=-2+3y
2.Y²+3y=40
3.4y²-9=0
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Answer:
3) 4y^2=9
y=√9/√4
y=3/4....
2)y^2+3y-40=0
y^2+8y-5y-40=0
y(y+8)-5(y+8)=0
(y-5)(y+8)=0
y=5 or -8....
1)y^2-3y+2=0
y^2-2y-y+2=0
y(y-2)-1(y-2)=0
(y-1)(y-2)=0
y=1 or 2
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