Question 6 : GCSE Mathematics | Free practice exams

Question 6

Study the following formula:

3x² + 5x³

Select the answer which represents this formula in its simplest terms:

8x⁵

15x⁵

8x⁶

15x⁶

The correct answer is 15x⁵

Don’t forget that you must add the indices 2 + 3 = 5

Then perform the usual algebraic multiplication

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