exam
Maths Puzzle
Numerical Ability
Please someone help me to solve this radical and simplify the expression
6-20/2. 20 is under the radical sign and the entire 6-20 is over 2.
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exam Other Question
Simplify:
Add: (3x to 2nd power - 5x to 3rd power - x) -2(x to 3rd power - 3x + 4)
Multiple (3x -5)(7x -5)
x=1 y=3
x=2 y=9
x=3 y=27
x=4 y=81
find a formula relating x and y