Question

find the reto zero of polynomial 2x²+7x-4 is.​

Answer 1

Answer:

Factor by grouping.

( 2 x −1 ) ( x + 4 )

Step-by-step explanation:

Answer 2

Answer:

${2x}^{2} + 7x - 4 \\ = {2x}^{2} + 8x - x - 4 \\ = 2x(x + 4) - 1(x + 4) \\ = (x + 4)(2x - 1) \\ hence \: zeroes \: are \: - 4 \: and \: \frac{1}{2}$