Top answers

Simplify: 5a + 2 – a + 9

For this question, we need to simplify the expression, and to do this, we first should rearrange the way it is written, so similar (or like) terms are next to each other. So in rearranging the expression we ...
SR
Answered by Sindhu R. • Maths tutor
8525 Views

Solve the quadratic equation x^2+5x+6=0

Quadratic equations are a slightly bit more tricky than other algebraic equations we might have seen before. They are called quadratic equations because one of the unknown values is squared (mutiplied by its...
RW
Answered by Rob W. • Maths tutor
4027 Views

How do you factorise quadratic, cubic functions or even quartic functions?

Start by trying to find a common multiple of the last term, e.g. if you have a quadratic that ends in 4, when you factorise this function, we should get two terms ending in multiplies of 4 so (1,4) or (2,2)....
NM
Answered by Nacima M. • Maths tutor
3655 Views

Solve the following simultaneous equations: 4x + 5y = -8 and 6x-2y = 26

1) Multiply both equations so we have the same coefficient of one of the variables. This allows us to eliminate one of the variables and solve for the other. (4x + 5y = -8) --> Multiply by 3 so we have (1...
MH
Answered by Maria H. • Maths tutor
5128 Views

(4+x)/8=2 Solve for X

multiply both sides by 8 --> 4+x=16subtract 4 from both sides x=12
PQ
Answered by Precious Q. • Maths tutor
3402 Views