Answer:
4
Step-by-step explanation:
7*7-9*5
49-45
4
40x+8x^2=0 can be solved for x (there are two solutions):
Divide all 3 terms by the greatest common multiple (which is 8x):
40x+8x^2=0
------------- -----
8x 8x
5 + x = 0 produces the root x = - 5.
Setting 8x = 0 and solving for x produces the root x = 0.
Be certain to check these results. substitute x = -5 into 40x+8x^2=0. Is the resulting equation true or false? Next, subs. x=-5 into 40x+8x^2=0. Is the resulting equation true or false?
9 = -7-2y
9 +7=16
16/-2 -2y/-2
-8 = y
Answer:
YES
Step-by-step explanation:
YPU
