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Factorise X^2-X-20

(X+4)(X-5)

Answered by Stephen W. • Maths tutor

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Solve the inequality 2(2x − 4) > 28

Rearrange the following formula to make x the subject. y=4x-7

Complete the square and find the roots (where y=0) of: "x^2+4x-5"

Work out: 0.7 + 3/5

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