Mathematics, 22.06.2019 23:30 allyssaharrisooy50au

Derek states that the expression 4(a+6) is equivalent to the expression 20+4a+4. is derek correct? show the proof that derek is right or wrong! explain how you determined whether or not the two expressions were equivalent

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Derek states that the expression 4(a+6) is equivalent to the expression 20+4a+4. is derek correct?...