Hard
If p(x) = 1x² + (5)x + (5), find p(-2).
Explanation
Explanation
Substitute x = -2 into p(x): p(-2) = 1(-2)² + (5)(-2) + (5) = 4 + -10 + 5 = -1.
PRO TIP
Re-check your working by substituting the answer back into the original question.