49x^2 - 9 = 0
As there is no x term, we can pretty much guess we have a situation where we factlrise by something known aa difference of two squares, so to factorise it:
49 = 7^2
9 = 3^2
x^2 = (x)^2
so...
(7x - 3)(7x + 3) = 0
7x - 3 = 0 7x + 3 = 0
x = 3/7 x = -3/7
5^4
------
5^6
625
-----
15,625
625/15625=25
Huh? What does that even mean lol
5. million 6. Ten thousand
C=325m
Because for every meeting room there is 325 chairs and c=the total of chairs
