Find the product x x (2x - 5y). Also verify the
result for x = - 1 and y = 2.
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x^2 (2 x -1)-(5 x 2)
x^2 (-2-10)
x^2 (-8)
x = root(-8)
x =2root4
x^2 (-2-10)
x^2 (-8)
x = root(-8)
x =2root4
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