algebra help please? x² - x + 3 when x = - 3. the answer sheet says the answer is 15, i get -3?

x^2 - x + 3

Substitute -3 for x.
(-3)^2 - (-3) + 3
= 9 - (-3) + 3
= 9 + 3 + 3
= 12 + 3
= 15

That's not the answer... That is saying what X is. Where X is you put -1/3 12 (-(-1/3)^3 12 (1/3)^3 12 (1/27) 12/27 4/9 is the answer.

( - 3)^2 - ( - 3) + 3
= 9 + 3 + 3
= 15

when x=-3,
x^2-x+3=
(-3)^2-(-3)+3=
9+3+3=
15

9 - (- 3 ) + 3

9 + 3 + 3

15

x^2 = -3 times -3 = +9...............minus times minus is a plus
-x = - - 3 = + 3...........................two minuses make a plus
+3

Add them up

+9 +3 +3 = 15

Equation: x² - x + 3
Substituting x with "-3" in the above equation..

(-3)² - (-3) + 3

= 9 - (-3) + 3 ----------- ( Since (-3)² = 9 )
= 9 + 3 + 3 ----------- ( Since - (-3) = + 3 )
= 15

The answer sheet is right !
(-3)(-3)=+9 and -(-3)=+3, so you get 9+3+3=15

x^2 - x + 3
= (-3)^2 - (-3) +3
= 9 +3 + 3
=15

note: negative negative equal positive

when x = -3

x^2 - x + 3

(-3)^2 - (-3) + 3

9 + 3 + 3 = 15

The minus 3 squared turns out to be 9

Then the minus negative 3 become plus three

Therefore the answer is 15.