№14х^3-3x-1=0№2 4x^2-y^2-8x+4y №37x^2+18xy+8y^2

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To find the roots of the equation 14x^3 - 3x - 1 = 0, you can use numerical methods like the Newton-Raphson method or bisection method. Alternatively, you can try to factorize it or use the rational root theorem to find the possible rational roots.

The expression 4x^2 - y^2 - 8x + 4y is an algebraic expression in terms of x and y. It is a quadratic expression in x and a quadratic expression in y. You can simplify it further by factorization, completing the square, or rewriting it in a different form.

The expression 7x^2 + 18xy + 8y^2 is a quadratic expression in terms of x and y. You can simplify it further by factorization, completing the square, or rewriting it in a different form.