Factor completely 3x2 + 2x − 1.

(3x + 1)(x − 1)
(3x + 1)(x + 1)
(3x − 1)(x + 1)
(3x − 1)(x − 1)

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Two florida panthers were weighed. one weighs 6x+21 pounds and the two together weigh 14x+11 pounds how much does he other panther weigh alone

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm