(48-7)x(56+19) First of all you need to work out the brackets. 48-7=41 56+19=75 This turns the question to: 41x75 When multiply decimals you can split the numbers up into the tens and units. 40x70=2800 40x5=200 1x70=70 1x5=5 2800+200+70+5= 3075 This answer would be 3075.