Answer:
25
Step-by-step explanation:
The number that needs to be added is the square of half the x-coefficient:
(-10/2)^2 = 25
_____
Adding that gives ...
(x -5)^2 = 32
x = 5 ± 4√2
Answer:
Step-by-step explanation:
48+32x=-176
32x=224
x=7
9.61 - 4.02 = 5.59
Her weekly allowance is $5.59 a week