Question

спростіть вираз (5х+6х²)-(3х-2х²)​

Answer 1

$(5x + 6 {x}^{2} ) - (3x - 2 {x}^{2} ) = 5x + 6 {x}^{2} - 3x + 2 {x}^{2} = 8 {x}^{2} + 2x$