Question

3 x square - 6 x y - 3 y square - 4 x square - 7 x y.​

Answer 1

Answer:

x²-6y-3y²-7xy

Step-by-step explanation:

3x²-6y-3y²-4x²-7xy

3x²-4x²-6y-3y²-7xy

x²-6y-3y²-7xy

Answer 2

Answer:

$3x2 - 6xy - 4x2 - 7xy = 0 \\ (3x2 - 4x2) = (7xy + 6xy) \\ ( - x2) = 13xy \\multiplying \: by \: ( - 1)we \: get \\ x2 = ( - 13xy) \\ x = + - \sqrt{( - 13xy)}$