Question

Olga simplifies the expression x + 7x to 7x2. Use the drop-down menus to complete the statements below to explain why Olga's solution is correct or incorrect.

Answer 1

Olga's solution is incorrect. x + 7x is the same as 1x+7x. 7x2 is the same as7x × x . x + 7x simplifies to 8x.

Explanation:

Answer 2

Answer: Olga's solution is incorrect

x + 7x is the same as 1x + 7x

7x2 is the same as 7x. x

x + 7 x simplifies to 8x

Explanation: