Factorise 2x^3=10x+12x^2

  1. Move everything to the same side: 2x^3-12X^2-10x=0 2.Take out a factor of 2x: 2x(x^2-6x-5)=0 3.Complete the square on the quadratic: 2x[(x-3)^2-14]=0
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Solve the simultaneous equations 3x=2y and 2xy=12


A,B and C all lie on the line x^2 + y^2 = 49 where A is on the y axis, B is on the X axis and C is the mid point of the straight-line connecting A and B.


how do i approach more complex algebra questions?


Show clearly that (3√3)^2 = 27


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