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Number Equations7x+y=12x^2 - y=3Rearrange equation 1 to equal yy=1-7xSubstitute 1 into 22x²- (1-7x)=32x²+7x-1=3Format into quadratic equation2x²+7x-4=0 (2x-...

shown using a diagram during interview
using the crab claw method, multiplying the correct components with one another, displaying how to set it out neatly and correctly to the benefit of th...

There are two parts to this expression, the coefficients and the powers of x, and they can be addressed separately.It's important to remember the rules of indices - a^m x aⁿ = a^m...

Firstly, we need to take a factor of 2x out of the equation. This is because both 2x² and 12x can be divided by 2x. This gives us (2x)(x)+(2x)(6). If we then collect the terms 2x, we get 2x(x+6...

100% = 4.00
(divide both sides by 100 to find equivalent of 1%)
1% = 0.04
(multiply both sides by 52, to find value of 52%)(if struggling, multiply 4 by 50, then 4 by 2, and add the two pro...