Odpowiedź :
[tex](4x - 3y)(4x + 3y) = 16 {x}^{2} + 12xy - 12xy - 9 {y}^{2} = 16 {x}^{2} - 9 {y}^{2} [/tex]
Odpowiedź:
(4x - 3y)(4x + 3y) = 16x^2+12xy-12xy-9y^2 = 16x^2-9y^2
Odp. b
[tex](4x - 3y)(4x + 3y) = 16 {x}^{2} + 12xy - 12xy - 9 {y}^{2} = 16 {x}^{2} - 9 {y}^{2} [/tex]
Odpowiedź:
(4x - 3y)(4x + 3y) = 16x^2+12xy-12xy-9y^2 = 16x^2-9y^2
Odp. b