Question

спростить вираз:а) 5х+х; б) 9x-4x+3x; в)8x+1-7x/

Answer 1

a) 5x+x = x*(5+1) = 6x
б) 9x-4x+3x = х*(9-4+3) = 8х
в) 8х+1-7х = 8х-7х+1 = х*(8-7)+1 = х+1