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Maths Puzzle
Algebra
4x-y=-27 graph it
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2/x^2-1=2/x
I have a few more I need help on. Seeing the steps would help me figure out where I am going wrong.
n=81jk^2 for k
solve the next one by completing the square
Can you please explain to me how you find the answer to this problem: If two parallel sides of a square are increased by 6 cm and the other two parallel sides are each decreased by 1 cm, a rectangle is formed having twice the area of the square. How long was each side of the square?