Question

Find the value of polynomial 2x-5x+7 if x=3 ​

Answer 1

p(x)= 2x-5x+7

If x = 3 ,

p(3) = 2(3)-5(3)+7

= 6-15+7

= 6-8

= (-2)

$\tt{The \: \: \: value \: \: \: of \: \: \: the \: \: \: Polynomial \: \: \: 2x-5x+7 \: , \: if \: \: x=3 \: \: \: is \: \: \: \boxed{ (-2)}.}$

$\\ \\ \\ \\ \\ \\ \red{ \bf{Hope \: \: this \: \: helps \: \: you \: !}}$

Answer 2

Answer:

2x-5x+7

-3x+7

-3(3)+7

-9+7

-2