solve this equation x^2 -2x=-1

to first think about solving this equation you need to add 1 to both sides producing the equation x^2-2x+1=0 you then need to factorise this equation as it is a quadratic equation (x-1)(x-1) =0 for this to equal 0 one of the x values need to make the bracket equal 0 therefore we can say that x-1=0 which means that x=1 therefore the final answer is x=1

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Answered by George B. Maths tutor

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Solve simultaneous equations x + y = 3 and -3x + 5y = 7


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a.) simplify and expand (x+3)(2x+5) b.) differentiate (x+3)(2x+5) c.) where does this function intercept the x and y axis? d.) does this function have any turning points? if so where?


Make s the subject of: v^2= u^2+2as


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