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Factorise fully: 3x - 9x^2

3x(1-3x)

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Katie wants to buy 4 adult show tickets for £10 each and 2 child show tickets for £3 each. There is a 10% booking fee and 3% is then added for paying by credit card. Work out the total charge for Katie if she pays with a credit card.

2x + 4 = 4y ; 3y + 3 = 3x. What is x and y respectively?

Solve for x: 2x+3+((4x-1)/2)=10

Factorise the equation below (1)

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