Question

find the value of the expression x²-5x+2, when x=2​

Answer 1

Answer:

2²-5(2)+2

:4-10+2

:8-10

:-2

Answer 2

Given,

$x^{2} -5x+2$

We have to find the value of expression when $x=2$

So, we will substitute $x= 2$ in the given expression, we get

$x^{2} -5x+2$

$2^{2}-5\times2+2$

$4-10+2$

$6-10$

$-4$

Therefore, the value of the expression is $-4$.