Answer:
Step-by-step explanation:
X^2 + 7x + 7x + 49 = x*(x+7) + 7*(x+7) = (x+7)(x+7) = (x+7)^2
Answer:
7 2/3
Step-by-step explanation:
Do 23 divided by 3 = 7 2/3.
Answer:
i think itll be okay as long as you didnt copy it word for word
() is for < and >
[] is for ≤ and ≥
(a,b) means from a to b, not including a or b
(a,b] means from a to b, not including a, but including b
so
x<-3
so from -3 to less of that or
from -∞ to -3
you can't equal -∞, so we use parnthasees
also, it is < so we use parnthaees
(-∞,-3)
Answer:
Richhhh!!! Thanks for the points!!
Step-by-step explanation: