Question

check weather the following are quadratic equation 1)(x-2 )(x+1)=(x-1)(x+3)​

Answer 1

Answer:

Solution

Correct option is

B

No

Given, (x−2)(x+1)=(x−1)(x+3)

⇒x(x+1)−2(x+1)=x(x+3)−1(x+3)

⇒x

2

+x−2x−2=x

2

+3x−x−3

⇒2x−2x−2−3x+3=0

⇒−3x+1=0

⇒−3x=−1

Hence, x=

3

1

A quadratic equation is of the form ax

2

+bx+c=0

Thus the above equation is not a quadratic equation.

Answer 2

Answer:

here's your answer

Step-by-step explanation:

hope it will help you