Question 35348
5x^2+ 24 x+ 36= 1521

Okay, bring the 1521 to the left so you knew equation would be

{{{5x^2+24x-1485=0}}} Now factor it

=(5x+99)*(x-15)=0
Solve the two parts separtely

5x+99=0
5x=-99
x= -99/5......................and
x-15=0
x=15

so x equals -99/5    AND      15