Question

Which of the following is a polynomial whose zeroes are -5 and 4 ?


x²+x-20

x²+5x-4

x²-9x-20

x²-5x+4​

Answer 1

Answer:

x^2+x-20

Step-by-step explanation:

x^2+5x-4x-20=0

x(x+5)-4(x+5)

(x-4)(x+5)

x=4,x=-5

Answer 2

Answer:

$x {}^{2} + x - \: 20 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \\ \: \: is \: a \: poynomial \: whose \: zeroes \: are \: - 5 \: and \: 4$