Solving a Quadratic Equation by Factorization Method
Find the root...
Question
Find the roots of the quadratic equation 3x2+2x−1=0.
A
1
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
−1
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
13
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
−13
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct options are B−1 C13 Given: 3x2+2x−1=0⇒3x2+3x−x−1=0⇒3x(x+1)−1(x+1)=0⇒(3x−1)(x+1)=0⇒(3x−1)=0or(x+1)=0⇒x=13orx=−1∴The roots of the given equation are −1,13.