Question

if one zero of p(x)= 2x^2-3x+p is 3 find the value of p and the other root.

Answer 1

Answer:

2(3)^2-3(3)+p=0

18-9+p=0

p=-9

2x^2-3x-9=0

2x^2-6x+3x-9=0

2x(x-3)+3(x-3)=0

(2x+3)(x-3)=0

x=-3*2, 3