exam
Maths Puzzle
Numerical Ability
Which is the slope of Ax+By=C?
-B/A C/A -A/B C/B
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exam Other Question
Tutor could you help me please by showing me what steps I need to take in multiplying and simplifying this math problem? Thank you very much.
x^2-2x-15/x^2+x-6 * x^2-4x-21/x^2-25
finding square root
1/4(x+1)²-16=0