Question

Verify that P(x)=(x+1)(x-20, x=-1,2​

Answer 1

Answer:  x=-1 is a zero of the given polynomial

x=2 is a zero of the given polynomial

Step-by-step explanation:

we must replace the variable x with the given values.

If p(x)=0, then that given value is zero of polynomial p(x).

Putting x=-1

p(x)=(x+1)(x-2)

p(-1)=(-1+1)(-1-2)

p(-1)=0x-3

p(-1)=0

Since, p(-1) equals to 0

Therefore, x=-1 is a zero of the given polynomial

Putting x=2

p(x)=(x+1)(x-2)

p(2)=(2+1)(2-2)

p(2)=3x0

p(2)=0

Since, p(2) equals to 0

Therefore, x=2 is a zero of the given polynomial