Question

(ii) (4x - 2y)(3x + 2y)-(2x + 3y)(5x – 2y)
please solve questions about​

Answer 1

Step-by-step explanation:

$(4x - 2y)(3x + 2y) -( 2x + 3y)(5x - 2y) \\ = (12x {}^{2} + 8xy - 6xy - 4y {}^{2} ) - (10x {}^{2} - 4xy + 15xy - 6 {y}^{2} ) \\ = 12x {}^{2} + 2xy - 4y {}^{2} - 10x {}^{2} - 9xy + 6y {}^{2} \\ = 2x {}^{2} - 7xy + 2y {}^{2}$