Question

find the zero of polynomial 2xsq2+ 7x-4 is​

Answer 1

Answer:

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

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