Find the solutions to the quadratic equation x^2-9x+20=0

By factorising the expression, (x-5)(x-4)=0. This means that either (x-5)=0 or (x-4)=0. By solving these equations we can work out the solutions to be x=4,5.

Answered by Chris M. Maths tutor

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Expand and simplify fully 4(x - 2) - 2(3 - 5x)


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