exam Maths Puzzle Numerical Ability

x^2-4x+4=49

(3x-6)^2=4x^2

(x-1)^2+(x^2+1)-12=0

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exam Other Question

A lidless box is constructed from a square peice of tin by cutting a 10cm square from each corner and bending up the sides for the box. If the volume of the box is 1200cm cubed, find the dimensions to the nearest tenth of a centimetre. true or false: (-5, 3, -2) is a solution to the equation 2x+3y-z=1