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Find the values of a, b and c in the equation: (5x + 3)(ax + b) = 10x^2 + 11x + c.

We can go about solving this problem by equating the coefficients of x^2, x, and the constant c. First of all, we must expand the bracket (5x + 3)(ax + b). One helpful way of doing this correctly is the F...

CR
Answered by Camilla R. Maths tutor
5757 Views

When a price changes from £15 to £20. By how much percentage has the price changed?

If a price goes up from £15 to £20, the price has increased. The rate of increased is solved by finding the difference in the change which is £5 (£20-£15). The percentage is gotten by £5/£15 *100% and the...

BI
Answered by Benjamin I. Maths tutor
3182 Views

Explain the concepts of primary, secondary, tertiary and quaternary

A protein's function is determined by its structure. The structure of a protein can be described in four different ways, the most basic of which is the primary structure.

Proteins are made up of po...

ME
Answered by Matt E. Biology tutor
8229 Views

How do I stop writing everything I know about a text in my answers?

You've heard it before but plan, plan, plan. Planning in an exam can always seem daunting - you panic about whether you're remembering texts correctly. One way to solve this is to plan as revision. This s...

EC
4308 Views

How do I begin to learn all the texts on my course?

Break your work down so it is more manageable. One technique which often works for both visual and reading/writing learners is to make tables mapping out the poems, books and plays you are studying. Then ...

EC
4170 Views

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