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Mash Sheffield on 10e. Solving (x+a)/b=c/(x+d) 2 weeks, 4 days ago

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Mash Sheffield published 10e. Solving (x+a)/b=c/(x+d) 2 weeks, 4 days ago

Mash Sheffield on 10d. Solving a1x^2+bx+c=(1+a1)x^2+b2x+c2 2 weeks, 4 days ago

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Mash Sheffield published 10c. Solving x^2-c^2=0 2 weeks, 4 days ago

Mash Sheffield on 10c. Solving x^2-c^2=0 2 weeks, 4 days ago

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Mash Sheffield published 10.b. Solving x^2+bx+c=0 2 weeks, 4 days ago

Mash Sheffield on 10.b. Solving x^2+bx+c=0 2 weeks, 4 days ago

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