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D'après moi, il faut agir vite pour réduire la pollution et sauver notre planète. Toutes nos petits gestes éco-citoyens aideront lutter contre la pollution sans cesse. Par exemple, il faut éteindre les lu...

The way to go about a question like this is to break it down into steps; rather than trying to multiply all the brackets at once expand two first then multiply by the third. ------------------------------...

Group the like terms together to make the equation less messy leaving the equation equal to 0.Simplify the long quadratic equation into brackets.Each bracket must be equal to 0 to fulfil the equation.When...

steps as follows:x times x = x²2 times 5 = 102 times x = 2xx times 5 = 5xthen add these together:y = x² + 7x +10x = -2, -5; y = 0, 10

Use of dissonant and crushed harmonies.Varied rhythm and rubato.No clear melody line.