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How do I factorise 3xy^2 – 6xy fully?

When we factorise, we do so to make the expression more simple. Factorising is when we take common factors from the expression and group them together, and then multiply these common factors by somethi...

Answered by Matthew H. • Maths tutor

36112 Views

Factorise X^2 + 1X -12

Because the highest power of X is 2, this is a Quadratic Equation

When factorised, these look like

(x + a)(x + b) where a & b ar...

Answered by Jack W. • Maths tutor

5343 Views

Show clearly that (3√3)^2 = 27

Show clearly that (3√3)² = 27

First of all, the question looks overfacing due to the surds, I can assure you that surds are not scary, they simply act as a means of clea...

Answered by Eleanor C. • Maths tutor

14466 Views

How do I know how many roots a quadratic equation has?

Let ax² + bx + c = 0 be the equation in question where a,b,c are real numbers with a not equal to 0 (otherwise we would not have a quadratic).

If:

Answered by Amit G. • Maths tutor

9498 Views

Given that 346 × 27 = 9342 , work out 34.6 × 2.7

Lets compare the numbers in the question:
34.6 x 2.7 is the same as 346/10 x 27/10 (decimal to fraction)

therefore...
34.6 x 2.7 is the same as ( 346 x 27 ) /100 (multiplying to...

Answered by Andrew W. • Maths tutor

7337 Views