Question

find the zero of polynomial 2x²+7x-4​

Answer 1

Answer:

To find the zero of 2x2+7x−4 is same as solving the equation 2x2+7x−4=0

⇒2x2+8x−x−4=0

⇒2x(x+4)−1(x+4)=0

⇒(2x−1)(x+4)=0

⇒x=21,−4

Pls FOLLOW me

Answer 2

To find the zero of 2x^2+7x−4 is same as solving the equation 2x^2+7x−4=0

⇒2x^2+8x−x−4=0

⇒2x(x+4)−1(x+4)=0

⇒(2x−1)(x+4)=0

⇒x= 1/2,−4