find x if 2^x-7=4^x-4
a ^2-4a+1=0 finda^3+1/a^3
2x+by=8. 2(2x+3y)=16Do this in substitution method Do this in substitution method
2x+by=8. 2(2x+3y)=16Do thi...
(3-(-2)) $^{2}$
(2-(-1)) $a{b}$ 2
tan ^2 + theta = cot(theta +15 )
3525=60 and 9110=101 and 1091=101what does 5050=?
x-x*20/100=64
[8-((14)/(7))3]*9
= 99^3 - 2