Answer:
Have you tried the quadratic formula? you can look up the quadratic equation and plug in the, a=1 b=2 and c=10
Step-by-step explanation:
Answer:
for 6: -2x+30
I dont know for # 8
Step-by-step explanation:
to distribute, you have to multiply -3 by x and -10.
-3(x) - -3(10) + x =
-3x + 30 + x:
then you have to add common terms
-3x + x = -2x
then replace that in your equation to get:
-2x +30
$5.44. 15 lbs of laundry equals 6.8 kilograms times .80 gives you $5.44.
Answer:
x = 2.6
Step-by-step explanation:
2x + 5.2 = 0
2x = -5.2
x = -5.2 / 2
x = -2.6