Question

Which of following is zero of
polynomial
2x power2 +7x-4​

Answer 1

Step-by-step explanation:

2x^2+7x -4=0

2x^2+8x -x -4=0

2x(x+4)-1(x+4)=0

(X+4)(2x -1)=0

X+4=0

X=-4

2x-1=0

X=1/2

The zeroes of the polynomial 2x²+7x-4 are -4 , and 1/2.

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Answer 2

Step-by-step explanation:

2x^2+7x-4

do middle term splitting

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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