exam Maths Puzzle Numerical Ability

solve by factor completing the square
x^2 - 8x+10=0
x^2 - 8x= -10
(8/2)^2= 64/4= 16

x^2 - 8x + 16=-10 +16
what else to do after this step?

Read Solution (Total 0)

exam Other Question

Simply the expression

3x(x^5)^2
--------------
6x^3(x^2)^4
find the perimter of the triangle :
4 is one side and another side is 5square-3 square and the last side is 5 square+ 3square.

Thanks you