Question

If P(x) = 2x + 5, then write the value of P(x) + P(-x).​

Answer 1

Explanation:

p(x) = 2x +5

p(x) =-2x+5

p(x) =10

(-2x + 2x cancelled)

Answer 2

p(x)=0

then,

2x+5=0

2x= –5

x= –5/2

then take x = –5/2 in p(x)

P(x) + P(-x)=

-5/2+ [-(-5/2)]

-5/2+5/2

=0

Ans. 0

I hope does you understand