Question

what are roots of quadratic equation 2x2+6=-7x​

Answer 1

Step-by-step explanation:

2x2+6=-7x

2x2+7x+6=0

2x2+(4+3)x+6=0

2x2+4x+3x+6=0

2x(x+2)+3(x+2)=0

(2x+3)(x+2)=0

Roots are x=(-3/2),(-2)

Answer 2

Answer:

D=(-6) 2 -4×2×7=(36-56) =-20<0