Here is the answer I believe. It goes in a x all it did was added to to each x and y (-3,0)
Answer:
-150
Step-by-step explanation:
x^2 - 7x^2 - 18x +42
3^2 - 7(3)^2 - 18(3) + 42
9 - 63 - 54 + 42
-54 -54 + 42
-108 + 42
-150
Answer:
were is the picture
Step-by-step explanation: