algebra help

Question

Let P(x)=2x^2-5x+2.

Then P(-3)=__.

 

please help, thank you!

Answer 1

Hi Laura,

 

So for this you would simply plug in the value -3 into every spot you see an x in your equation.

 

Thus,

 

P(-3) = 2(-3)²-5(-3)+2 = 35

 

Hope this helps!!