648x^7-540x^6 -918x^5 +255x^4 +275x^3 +61x^2 -25x+ 6 = 0
8x+4=13+5x
1/25+1/36+4
$(x+y)^{6}$ =64
0=9x^2-4x^(-2)+35
45 x 2
845 times 99
d/dx (2t^(-3) )
in the figure, o is the centre of the circle. what is the value of x
268329x times 827492x
x=982943
