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5x-3=72x+1
log55x-3=log572x+1
x-3=(2x+1)log57
x-2xlog57=3+log57
x(1-2...
Take this problem as an example:
5 white socks and 3 black socks are in a drawer. Stefan takes out two socks at random. Work out the probability that Stefan takes out two socks of the same co...
First, we need to rearrange the equation into a quadratic. A quadratic equation will always have a squared element.
To this, we move everything over to the left hand side of the equation and ...
Question:
Expand (2x-3)(4x+4)
We will be using the FOIL method. FOIL is an ancronym:
F=first
O=outside
I=inside
L=last
So, to begin, we start...
Firstly put the equation into the the form (x+a)(x+b) this will make things easier later on.
Therefore, an equation such as (x+1)2 would become (x+1)(x+1)
Next expand the br...
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