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s^2 - 2s - 24 = 0

s² - 18s = 0(s + 4)(s - 6) = 0s = -4 s = 6

Answered by Natasha P. • Maths tutor

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The functions f and g are such that f(x)=5x+2 and g(x)=-x-4. a) Find fg(x). b) Find ff(x). c) Solve fg(x) = ff(x).

Factorise x^2 -7x+10, and hence solve x^2-7x+10=0

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