exam Maths Puzzle Numerical Ability

pls help me on my algebra equation. thanks thanks

1. (1-x)(x+2) + (x+3)(x+4)=0
2. m(m-2x) +2 cm=a(2x-a)
3. sn-g(2n+4)-2(n-g)=0
4. 4m(x-5a)-3m(a-x)=0

Read Solution (Total 0)

exam Other Question

solve x-4/x+5 >=3

Textbook Beecher, penna and bittinger
practice problems

thank you very much 1. let f(x)=a^x/a^x+3 then evaluate f(1/1996)+f(2/1996)+.........+f(1995/1996)
2. if a and b are the roots of x^4+x^3-1=0. How to prove that ab is the root of x^6+x^4+x^3-x^2-1=0