Question

. Find the value of , if one solution of quadratic equation
2 + − 6 = 0 is -3

Answer 1

Answer:

=(17-√409)/6=-0.537

x =(17+√409)/6= 6.204

Step by step solution :

Step 1 :

Equation at the end of step 1 :

((2•3x2) - 34x) - 20 = 0

Step 2 :

Step 3 :

Pulling out like terms :

3.1 Pull out like factors :

6x2 - 34x - 20 = 2 • (3x2 - 17x - 10)

Trying to factor by splitting the middle term