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The first step would be to multiply out the bracket. So, using this example we would times each item inside the bracket by 3.
As a result we would get: 3x + 12 = 18
Then we ...
I am going to assume you know what an irrational number is, given that that should have been taught right at the beginning the topic of surds. When I talk about a “rational” number, here I mean “whole num...
x2 - 9x ≤ 36
1. Draw a graph.
y = x2 - 9x and y = 36
2. Find the points of intersection by solv...
A definite integral is actually a numerical value, which the represents the area under a graph between two points. For example, if you integrated f(x) between two values (lets call them a and b), the answ...
In this example, we want to find values for both x and y which are our unknowns.
So we start by rearranging x to be on its own but still in terms of y. We then can plot it into the next ...
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