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Simplify 3/(x+1) + (3x-9)/2 = 1, to get a quadratic equation in the format ax^2 + bx + c = 0.

First, add the two fractions together. The common denominator is 2(x+1), or 2x+2. The first fraction becomes 6/(2x+2). The second fraction becomes (x+1)(3x-9)/(2x+2), or (3x2-6x -9)/(2x+2). Add...

Answered by Maths tutor
4791 Views

Discuss two factors that may affect ethnic differences in educational achievement

The ethnic differences in educational achievement are clearly visible. Sociological theories take into account both the factors within the educational system and external from it, that may have caused the...

GZ
17197 Views

How can I revise for unseen poetry?

No one can predict which poem will appear in the Unseen Poetry section of your GCSE, but becoming more comfortable with identifying poetic techniques and why poets might use these to achieve a particular ...

JB
8724 Views

Solve 3x^2 - 5 = 43

First, we want all the terms with X on one side, so let's +5 to both sides.3x2 = 48Let's simplify, so we get x2 on its own.48÷ 3=16x2 = 16Now, we need x 'unsquared', so we...

NM
Answered by Naomi M. Maths tutor
4676 Views

Solve 2x^2 = 162

First simplify the equation! This means making the side with your Xs on easier to read.162÷2=81Now we have x2 = 81 √81=9(Remember 9x9=81.)

NM
Answered by Naomi M. Maths tutor
5719 Views

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