exam Maths Puzzle Numerical Ability

I am trying to solve 15-2/2poweredx3+(12/4x3)
I have tried working it backwards, forwards doing work in parenthesis and bringing it down. Can some help?

Read Solution (Total 0)

exam Other Question

my question is this

solve the quadratic equation using the formula

1/1+x -1/3-x = 6/35
5|x+4|< 10
-
5, x+4 in absolute value is less than or equal to 10