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Factorise x² + 10x + 16

This is a quadratic equation.
When we are asked to facorise a quadratic equation, we should label the 3 parts of it a, b and c.

x² + 10x + 16
a b c so a =...

Answered by Andrew W. • Maths tutor

67310 Views

How do you solve the #EdexcelMaths question?

Remember the uproar on Twitter about an Edexcel GCSE Maths paper, sparking the #EdexcelMaths trend on Twitter? Whether you do or don't, the question that caused the controversy is with...

Answered by Curtis M. • Maths tutor

5350 Views

How to use trigonometry to find angles or lengths

Before starting any calculations it makes sense for the new practitioner to use the handy "soh-cah-toa" rule which means that you use:

- sine with the opposite and hypotenuse si...

Answered by Bradley L. • Maths tutor

7175 Views

How do you solve an equation with brackets?

If you are given an equation with brackets, one way to solve it is to multiply out the brackets. Follow the example below:

Solve the equation: 2(a + 5) = 16

Answered by Emma G. • Maths tutor

41337 Views

Pythagoras' Theorem

Pythagoras was a Greek philosopher who discovered that in a right angled triangle (triangle with one angle 90 degrees) the hypotenuse squared , c², ...

Answered by Katie C. • Maths tutor

5501 Views