Factor by groupins
x^2 + xy - 2x - 2y
= x(x + y) - 2(x + y)
= (x - 2(x + y)
Answer:
x = {-4, 4}
Step-by-step explanation:
Subtracting 3 gives ...
5x^2 = 80
Dividing by 5, we get ...
x^2 = 16
Taking the square root gives the solutions ...
x = ±4
The smaller value of x is -4; the larger value is 4.
Answer:
9 cookies in her original handful
Step-by-step explanation:
3 times 4 equals 12
12-3=9
So I won't tell you the answer but I will give you a clue. do 120 times 16 - 8 + 6
