Answer:
it is 18
Step-by-step explanation:
Can you tell us what the expression is in the question?
Answer:
-5
Step-by-step explanation:
7−12
=7−12
=7+−12
=−5
Answer:
(1+√7,0),(1−√7,0)
Step-by-step explanation:
You can't factor the expression evenly, so use the quadratic formula.
a = 2
b= -4
c= -12
End result: (1+√7,0),(1−√7,0)
Answer:
42
Step-by-step explanation:
3x^2 +5x
Let x=3
3(3)^2 +5(3)
3*9 +15
27+15
42