Question

determine weather x=–2 is the root of equation 2x²–7x+6=0 how to solve it​

Answer 1

Answer:

2x²-7x+6=0.

x=-2.

2(-2)²-7(-2)+6=0.

2(4)+14+6=0. (because -×-=+).

8+14+6=0.

28=0.

I think no & it is your answer.