Freddybev485viz
Answered

Factor the polynomial: 3x^2 – 22x – 16

Sagot :

Mlcparra16viz
We do the quadratic formula:
So:
x = 22 ± √(22²+192) = 22 ± 26 = 8 or -2/3
               6                   6
Then we have (x-8)(x+2/3)
We multiply this by 3 since we have 3x²
So:
3x²-22x-16 = (x-8)(3x+2)