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Express 4x/(x^2-9) - 2/(x+3) as a single fraction in its simplest form.

In order to add or subtract terms to/from each other, both of their denominators (the number on the bottom of the fraction) must be the same. In this case they are different, so the first step is to try a...

AE
Answered by Alex E. Maths tutor
3921 Views

Complete the square for the following equation: 2x^2+6x-3=0

2x2+6x-3=0To begin, we need to make sure x2 is by itself, meaning that we divide the whole equation by 2. So from here we get (2x2+6x-3=0) / 2 = x2+3x-3/2=0. No...

Answered by Maths tutor
7178 Views

Expand (x+3)(x+2)

(x+3)(x+2)=F=xx= x^2O=x2=2xI=3x=3xL= 3*2=6=x^2 + 2x + 3x + 6= x^2 + 5x + 6

NS
Answered by Nicola S. Maths tutor
4791 Views

Solve the simultaneous equation: 3x+2y=8 and 2x+5y=-2

3x+2y=8 (1)2x+5y=-2 (2)So you need to have a common multiple of either x or y in this example I’ll equate the x of both equations so I’ll multiply (1) by 2 and (2) by 3 2( 3x+2y=8). 6x+4y=16 (3).3(2x+5y=-...

RD
Answered by Rabia D. Maths tutor
5272 Views

Find the exact solution of the following equation: e^(4x-3) = 11

x= (3 + ln(11))/4

SE
Answered by Sarah E. Maths tutor
3829 Views

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