Question

(i) Find the values of a and b for the quadratic equation 5x2 – 7 = - 6x.
(ii) Onecoin and one die are thrown simultaneously. What is the number of sa​

Answer 1

Answer:

1)point: answer:-

Step-by-step explanation:

The equation is

5x

2

−7x−6=0

⇒5x

2

+3x−10x−6=0

⇒x(5x+3)−2(5x+3)=0

⇒(x−2)(5x+3)=0

⇒x=2,

5

−3