Answer:
Step-by-step explanation:
You can multiply this out to get the full equations.
It's to the 4th degree so the x on the outside has to be squared to add the fourth degree.
To get other zeros:
x + 3 = 0
x = -3
x - 4 = 0
x = 4
Hope this helped. :0)
Multiply 1/3 by any number higher than 2 and you can have equivalent fractions.
Ex:
1/3×3/3=3/9
3x-2=-x-6
do the inverse and add 2 to the whole number on the other side which is -6
3x=-x-4
do the inverse with the variable -x and add x to 3x
4x=-4
divide -4/4 since the inverse of multiplication is division
x=-1
<span>So he bikes 21 miles in 4.2 hours, which is 5 mph. </span>
