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Maths
GCSE

Factorise x^2+5x+6

When factorizing a quadratic equation you need to try and find 2 numbers that add up to give the 2nd term and times together to give the 3rd term. We can find these 2 numbers by looking at the factors of ...

Answered by Oscar G. Maths tutor
2403 Views

Solve x^2+2x-8=0

x=-4, x=2When you see a quadratic equation like this, the first thing you should try and do is factorise it. You need to find two numbers that add together to make the second term of the equation - in thi...

Answered by Kate B. Maths tutor
6052 Views

Solve x^2+3x-18=0 for x

X=6 X=-3This simple question is the fundamental step of a vest argebra topics. Having a good understanding of this topic is crucial to studens who want to do well. Alternative method is to use quadratic f...

Answered by RongFang L. Maths tutor
2380 Views

Solve the equation, x + 1 = x/2 + 4

The answer should always end with x = …, so we need to rearrange and simplify the equation to solve this.First write out the full equation: x + 1 = x/2 + 4Multiply everything by 2 to remove the fraction: ...

Answered by Cheyanne J. Maths tutor
2227 Views

A fair sided spinner has five equal sections numbered 1 to 5, a fair six sided dice has five red faces and one green face. what is the probability of getting an even number and the colour green

The probability on the spinner for each section is 0.2 or written a 2 in 5 ( 1 divided by 5 as it has equal sections)
The probability for landing the green side of the dice is 1 in 6
In order ...

Answered by Elaine C. Maths tutor
8181 Views

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