Solve for x:
x^3 + x^2 + 4 x + 4 = 0
The left hand side factors into a product with two terms:
(x + 1) (x^2 + 4) = 0
Split into two equations:
x + 1 = 0 or x^2 + 4 = 0
Subtract 1 from both sides:
x = -1 or x^2 + 4 = 0
Subtract 4 from both sides:
x = -1 or x^2 = -4
Take the square root of both sides:
Answer: x = -1 or x = 2 i or x = -2 i
Answer:
X : red marble
Y: blue marble
X+Y= 81 (•)
Y= 5X+3 (••)
>>> 6X+3= 81 >>>> x=13 and y = 68
Answer:
He pours 1 2/10 into each bottle.
Step-by-step explanation: