SOLUTION: y^4+45=14y

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Question 515087: y^4+45=14y
Answer by oberobic(2304) About Me  (Show Source):
You can put this solution on YOUR website!
+y%5E4+%2B45+=+14y+
.
+y%5E4+-14y+%2B+45+=+0+
.
factor
.
+%28y%5E2+-9%29%28y%5E2+-5%29+=+0+
.
keep factoring
.
+%28y-3%29%28y%2B3%29%28y%2Bsqrt%285%29%29%28y-sqrt%285%29%29+=+0+
.
So the roots are
+y=3+
+y=-3+
+y=-sqrt%285%29+
+y=sqrt%285%29+
.
Done.