factorise x^2+6√2x+10
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x^2 + 6 root2 + 10
x^2 + 5 root2 x + root2 x +10
x(x+5 root2) + root2 (x + 5 root2)
(x + root2) ( x + 5 root2)
x = - root2
x = -5 root2
x^2 + 5 root2 x + root2 x +10
x(x+5 root2) + root2 (x + 5 root2)
(x + root2) ( x + 5 root2)
x = - root2
x = -5 root2
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