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Maths Puzzle
Numerical Ability
simplify the rational expression
- x^2 + 10x - 21 / -3x^2 + 23x - 14
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book Other Question
{9x-y-2z=18
{5x-2y+z=10
{4x+y-3z=8 please help me with this
What does the Graph for 2x+3=y look like