Find the product of `5x^(2) - 7x + 6` and 3x and verify it when x = -2 .

Find the product of (3x - 7) (4x + 6) and verify it when x = 1.

Find the products 6x^(3) xx 5x^(2)

Find the product (x^(2)-3x+7)(2x+3)

Find the zeros of the quadratic polynomial 6x^(2) - 3 - 7x and verify the relationship between the zeros and the coefficients of the polynomial.

Find the value of : 4x^(3)-5x^(2)-6x+7 when x=3

Find the zeros of polynomial 6x^(2)-3-7x and verify the relationship between the zeros and their coefficients:

Find the following product and verify the result for x =-1, y=-2: (3x-5y)(x+y)

Find the square root of (x^(2) + 6x + 8) (x^(2) + 5x + 6) (x^(2) + 7x + 12)