Question

check weather 4 is the zero of the polynomial p(x)=x2-7x+12​

Answer 1

Answer:

Put value of x=2

(2)²-7×2+12

26-7

19 which is not equal to zero

so 4 is not a zero of x²-7x+12

Answer 2

Answer:

we have to check , so we put x = 4

(4)²-7(4)+12 = 0

16-28+12 =0

-12+12 =0

Hence x=4 is the zero of the polynomial