4(2x-5)
8x-20
it is equal to 8x-20 because you simplify it and it turns into that.
HOPE I HELPED!!!
N= 13*c+8
n=15*c
15c=13c+8
15c-13c=8
2c=8
c=8:2
c=4 children
n= 15*4=60 notebooks
Solve the equation for x by find the A , B , C of the quadratic then applying the quadratic formula
√7(-8√10+√14)
-8√70+√98
-8√70+√49.2
-8√70+7√2
Just comment if you want to ask
In order to change a fraction into a decimal you must divide the numerator by the decimal so divide 1 by 8 and so as you go through the equation you get a decimal number because 8 cannot go into 1 of course.
Answer: 0.125 is the amount you ate in decimal form
