book
Maths Puzzle
Numerical Ability
solve -3/x+9/9x=-1 a)=-5/6 b)=-6/5 c)2 d) no answer
solve by addition
4x-y=3 5x+4y=2
a)(1,__) b), c)-10/21 d)23/21 (__,2)
Read Solution (Total 0)
book Other Question
what is 3/5n-4=56 ?
In this problem you are to factor out the expression.
3x^2(r + 3s) -6y^2(r + 3s) I can not figure out how this is the answer:
3(r + 3s)(x^2-2y^2)
Please show the steps.