Free Practice Exam -
GCSE Mathematics
Question 6
Study the following formula:
3x
^{2}
+ 5x
^{3}
Select the answer which represents this formula in its simplest terms:
8x
^{5}
15x
^{5}
8x
^{6}
15x
^{6}
That was the correct answer, well done!
Sorry, that was the wrong answer
The correct answer is 15x
^{5}
Don’t forget that you must add the indices 2 + 3 = 5
Then perform the usual algebraic multiplication
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