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Maths Puzzle
Numerical Ability
i really really need help on solving 15= -3 (x-1) +9 thanks alot!
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factor completely
20y^2n - y^n - 12
Can you help me find the vertex and graph to this problem.
v=-u^2-8u+9
I have (-u+1)(u+9)=0
intercepts being u=(1,0)
and u=(-9,0)
v=????? and how to graph. Is the above co