C Quartic Equation

Egilea:angela

C

Solve the equation:

Solution:

Let

we have y(y+2)-24=0 --> (y-4)(y+6)=0 so y=4 or y=-6 if y =4 then

-->

--> (x-2)(x-7)=0 x=2 or x=7 If y=-6,

-->

by quadratic formula,

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