Expand and simplify 3(x+4) - 2(4x+1)

3(x+4) - 2(4x+1)= 3x + 12 - 8x + 2= 3x - 8x + 12 - 2= -5x + 10

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Answered by Pioli P. Maths tutor

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Write x^2 – 10x + 12 in the form (x – a)^2 + b , where a and b are integers.


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