exam
Maths Puzzle
Numerical Ability
i cannot figure out this question at all : 4a^4 b - 9a^2 b^3
Read Solution (Total 0)
exam Other Question
What is -1 = -n - 3? I did:
-1 = -n - 3
+3 +3
n = 2
-1(2) = -1(-n)
n = -2
Am I right?
x squared+4x-3=0