Answer:
i believe its -42
Step-by-step explanation:
6 × -7 u would multiply because when ever it shows u something like that u would multiply but if it shows + - then u add or subtract but we will multiply i hope u get it right :)
I believe the answer is 25 because it says that 2)m=5 or it may be 30 because 5times 2 equals 10 and 10plus 20 gives you 30
The value of x is 14 I think
This is known as quadratic algebra.
To find it, you can use the quadratic formula but that might take a while.
We can factor it out and get
-3(mx² + mx - 1)
We can then set mx² + mx = 1
It would have no solutions
Edit: Above is wrong! I made the mistake of factoring 3 when it cant be factored.
Here is the solution
mx²-3mx=-3
Divide both by -3
mx²+mx=1
And I really messed this up. Its been a long time since quad. Sorry, but I cant seem to get the answer. Try and look up the quadratic formula and see if you can use that
C=2r
divide both sides by 2
c/2=r
c=2pir
divide by 2pi
c/(2pi)=r