The answer is... x = -7 or x = 1
The degree of the expression is 2.
Answer:
No solution
Step-by-step explanation:
Given equation is,
if x ≠ ±1
[Squaring on both the sides of the equation]
4 = (1 - x)(4 + x)
4 = 4 - 4x + x - x²
0 = -3x - x²
x² + 3x = 0
x(x + 3) = 0
x = 0, -3
But both the solutions x = 0 and x = -3 are extraneous solutions, given equation has no solution.
There is a formula for this:
Total Time = (worker1 * worker2) / (worker1 + worker2)
(3 * 8) / (3 + 8)
24 / 11 =
2.1818181818 hours
Answer:
-8 and 1
Step-by-step explanation:
-8 x 1 is -8
-8+1 is -7