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Factorise fully: 3x - 9x^2

3x(1-3x)

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Part 1 of a test has 60 marks, Part 2 has 100 marks. James scores 75% on part 1 and 48% on part 2. To pass the full test, he needs 60% of the total marks, does he pass?

75% of 60: 0.7560 = 45 , 48% of 100: 0.488100 = 48 , His total marks: 45+48 = 93 , Total marks available: 100+60 = 160 , His final percen...

Answered by Jake V. • Maths tutor

3649 Views

How do you simplify the following: (3^2)^3

To simplify this you use the following rule:
(a^m)^n = a^mn
The a represents the base number, the m represents the power inside the bracket, and the n represents the power outside the bracket.

Answered by S R. • Maths tutor

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GCSE maths can be a daunting exam, where, if you don't understand those key theorems you simply cannot succeed. With my help and endless mathematics experience we can work through your maths issues to ens...

Answered by Ellie W. • Maths tutor

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How would you integrate ln(x)

It can seem tricky to integrate ln(x), as there is no obvious solution to do it.It is, however, quite simple to do if you use the 'by parts' method.If you have y=ln(x)Set u=ln(x) and dv/dx=1That gives du/...

Answered by Adam C. • Maths tutor

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