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X 2 yz 2
X 2 yz 2 pictures 5
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X 2 yz 2
x(y-z)+2(x-y)
x 2 xy yz z 2
x^2+xz+yz-y^2
x^2/yz y^2/xz+z^2/xyu003d3
x 2 yz a 2 bc
x 2y yz 2 2
x 2 yz xy 2 z xyz 2
factorise x 2 yz 2
prove that x 2 x 2 yz 2
x 2 yz 2
