Practise the method.Example 163−(2+6)2Show worked answerAnswer: 152Evaluate the bracket: 2+6=8.Calculate the powers: 63=216 and 82=64.Subtract: 216−64=152.Example 253−(6+5)2Show worked answerAnswer: 4Evaluate the bracket: 6+5=11.Calculate the powers: 53=125 and 112=121.Subtract: 125−121=4.Example 363−(4+6)2Show worked answerAnswer: 116Evaluate the bracket: 4+6=10.Calculate the powers: 63=216 and 102=100.Subtract: 216−100=116.