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Simplify (3x^2 - 6x)/ (6x^3 - 19x^2 + 9x +10)

3x(x-2)/(2x+1)(x-2)(3x-5) 3x/(2x+1)(3x-5)
Answered by • Maths tutor
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How do you complete the square?

Completing the square is taking an equation in the form a 1 x 2 +b 1 x+c 1 and butting it into the form a 2 (x+b 2 ) 2 +c 2 Let's try an example:x 2 +4x+5First step is to make sure the coefficient of x 2 is ...
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Answered by Annabelle B. • Maths tutor
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Why is my answer incorrect?

Check for any silly mistakes, a lost negative or a simple arithmetic error. If you can’t find any, we’ll work through the question together and see where the method differs from yours. Then we will work out ...
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Answered by Zachary G. • Maths tutor
3424 Views

There are 9 counters in a bag. 7 of the counters are green. 2 of the counters are blue. Ria takes at random two counters from the bag. Work out the probability that Ria takes one counter of each colour. You must show your working.

Probability that Ria takes Green then Blue is 7/9 * 2/8 = 14/72. Probability that Ria takes Blue then Green is 2/9 * 7/8 = 14/72. Added together we get 28/72 = 7/18.
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Answered by Zachary G. • Maths tutor
14573 Views

If 3x^2 = 48 find x

3x^2 = 48 x^2 = 16 x = 4
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Answered by Frankie L. • Maths tutor
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