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Maths
GCSE

How do I solve fractions with unknowns in the denominators?

To solve the equation: (5x+3)/(x) + x = 1, where (x) is the denominator, we have to convert the equation into an equation without any denominators.

To do this, we multiply each variable by (x)...

SA
Answered by Sophie A. Maths tutor
5453 Views

Can you derive the Quadratic Formula?

For a general quadratic equation of the form ax2 + bx + c = 0 (1)
We will solve for x via the ‘Completing the Square‘ method:
 
First we divide equatio...
KA
Answered by Kamran A. Maths tutor
4855 Views

How do I complete the square of an equation?


How to factorise quadratic equations?

There are different ways of factoring an equation depending on the type. A few are highlighted here: 
1) Taking out a common factor 
General formula: ab + ac = ...

LB
Answered by Lydia B. Maths tutor
5399 Views

Solve the equation:

5x-3=72x+1

log55x-3=log572x+1

x-3=(2x+1)log57

x-2xlog57=3+log57

x(1-2...

NH
Answered by Nina H. Maths tutor
4240 Views

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