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First you need to expand and simplify two of the brackets, say (3x-1)(2x+1). There's 2 elements in the first bracket and 2 elements in the second, so you should end up with 22=4 elements in the expans...
These are both common tenses used to describe past actions in French. The imparfait (imperfect) tense has endings like this: Je -ais, Tu -ais, Il/Elle/On -ait, Nous -ions, V...
First of all we need to identify what it is we're trying to get onto one side of the equation. In this example;y = 2x - 5 we are asked to arrange the formula in terms of x. To do this we need to first get...
This is a simultaneous equation question, and it is important to read the question and pick out the information we want, and see what we are trying to get to, then work out a pathway on how we will get to...
1a. a=4 Substitute the number into the equation x= (6 x 4) + 3= 24 + 3= 27 b. We need to isolate a So minus three from both sides to start with (what you do to one side you must do to the other, oth...
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