exam
Maths Puzzle
Numerical Ability
please help
factor each trinomial
49z^2-42z+9 the answer is (7z-3)^2 how in the world do they come up with that?
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exam Other Question
what does this symbols mean < and >
How do you start to solve this problem with simplify the expression?
x to the negative 3/7 power times x to the positive 5/3 power, all over x to the 4/5 power?