Answer:
X = 4, -6
Step-by-step explanation:
Solve for x by simplifying both sides of the equation, then isolating the variable.
The answer is B
Deductive reasoning
What are the numbers for the other ones?
Answer:
c^3 + c^2 - 7c + 20
Step-by-step explanation:
First, expand the expression using distributive property.
c^2(c+4) - 3c(c+4) + 5(c+4)
c^3 + 4c^2 - 3c^2 - 12c + 5c + 20
Lastly, simplify like terms.
c^3 + c^2 - 7c + 20