Question

if p(x)=x²-3x-5 find the value of p(3)​

Answer 1

Answer:

=> P(x) = x²+3x-5

Finding P(2)

=> P(2) = (2)²+3(2) -5

=> P(2) = 4+6-5

=> P(2) = 5

Finding P(1)

=> P(1) = (1)²+3(1) -5

=> P(1) = -1

Now:

P(1)+P(2)

= 5+(-1)

= 4

Value of the above expression is 4.

Step-by-step explanation:

Answer 2

Answer:

-5

Step-by-step explanation:

3²-3(3)-5

9-9-5

-5

this is correct