Question 269917
Step 1 - foil out the left to get
{{{5*(y^2 + 14y + 49) -13 = 258}}}
step 2 - distribute the 5 to get
{{{5y^2 + 70y + 245 - 13 = 258}}}
step 3 -set = 0 and combine like terms to get
{{{5y^2 + 70y -26 = 0}}}
This is descending order with degree of 2.