The product of (6x-4y) and (2x-7y) is
12x2 + 28y2 - 50xy
12x2 + 28y2 - 25xy
12x2 + 28y2 - 100xy
24x2 + 28y2 - 50xy
(6x−4y)(2x−7y)
⇒ 12x2 - 42xy−8xy + 28y2
⇒ 12x2 + 28y2 - 50xy
Which of the pairs given in options will add up to give 9x+5y?
Subtract 4x−2y+z from the sum of 3x+4y+z and −6x+7y−8z
Find the product of (7x−4y) and (3x−7y).