Question

one of the zeros of the polynomial f(x)=2x^2+7x-4​

Answer 1

Answer:

Zero of the polynomial ⇒ p(x) = 0

p(x) = 0

2^2+ 7x – 4 = 0

2^2 – 1x + 8x – 4 = 0

x(2x – 1) + 4(2x – 1) = 0

(x + 4)(2x – 1) = 0

Consider, x + 4

x + 4 = 0

x = – 4

Consider, 2x – 1

2x – 1 = 0

2x = 1

x = ½