Question

Evaluate $2x^2-10x+25$ when x=5. Please show how to solve efficiently.

Answer 1

Answer:

25

Step-by-step explanation:

Let's split the term.

The given polynomial becomes:

$x^2+(x-5)^2$

So if we evaluate it, it will become:

$5^2+(5-5)^2=25$

I hope it is very clear.

Answer 2

$\huge{\mathbb{\green{Answer}}}$

Here is your answer ✔