To solve a quadratic equation
we can use the quadratic formula:

In your case, the equation is identified by 
So, the solving formula yields

So, the two solutions are derived by choosing the plus sign once, and the minus sign the other time:

Answer:
6
Step-by-step explanation:
3х - 5 = 13
+5 +5
3x=18
/3 /3
x=6
Answer:
tell me the question i will try my best to solve it
Y-y1=m(x-X1) is the formula.
m is the slope and the y1 and x1 are your points.
leave x and y; the ones without the 1 and solve for y