exam
Maths Puzzle
Numerical Ability
simplify each expression 3k -4
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exam Other Question
What does a "!" mean in algebra? Example: (n+1)!
Thanks!
Write 36x^2-360x-25y^2-100y=100 in standard form.
I know I am supposed to complete the square, but that is what I am having trouble with. Any help is very much appreciated!