Question

Draw the graph of the polynomial p(x) = x2 - 7x + 12, then find its zeroes from the graph.​

Answer 1

Step-by-step explanation:

Given,

x2+7x+12

zeros 

x2+7x+12=0

(x+3)(x+4)=0

x=−3,−4

verification,

sum of roots =−ab=−17=−7

product of roots =ac=112=12

Hence proved