2x^2+6x-4=0 find the roots
by completing square method
Answers
Answered by
3
Answer:
x=1 or x=2
Step by Step Explanation:-
Notice that all the coefficients are even.
We can therefore divide by 2 to simplify matters.
2x2−6x+4=0
÷2
x2−3x+2=0
Find the factors of 2 which add up to 3.
(x−2)(x−1)=0
Each factor could be equal to 0.
x−2=0⇒x=2
x−1=0⇒x=1
Similar questions