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solve (2x+3)/(x-4) - (2x-8)/(2x+1) = 1 leave answer in fraction form

times both sides by both denominators = (2x+3)(2x+1) - (2x-8)(x-4) = (2x+1)(x-4) times out brackets = (4x 2 + 8x +3) - (2x 2 -16x +32) = 2x 2 -7x -4 simplify = 2x 2 +24x -29 = 2x 2 -7x -4 bring x's to one si...
AH
Answered by Amber H. • Maths tutor
3539 Views

find the integral of (2x - (3x^1/2) +1) between 9 and 4

2x become x 2 3x 1/2 becomes 2x 3/2 1 becomes x sub 9 into values for x = (81 - 54 +9) which equals 36 sub 4 into values for x = (16 - 16 + 4) which equals 4 now take away the value when you sub in 4 from wh...
AH
Answered by Amber H. • Maths tutor
3583 Views

Décrivez vos vacances préférées.

Mes vacances préférées étaient ceux de l’année dernière ou j’ai fait un tour de l’Europe de l’Ouest. Nous sommes partis de Londres, et avons visité 8 pays au total. Mon pays favori était la Suisse, car le pa...
FH
Answered by Faye H. • French tutor
9459 Views

Describe and explain the trend of reactivity of group 2 metals with water

reactivity increases DOWN the group Extra shells of electrons means there is increased shielding, and therefore atomic radii increases even though nuclear charge increases, the extra shielding outweighs this...
AH
Answered by Amber H. • Chemistry tutor
3348 Views

6x – 7 = 14 – x

The first thing you need to do is collect all the 'like terms' on the same side of the equation. Start with the 'x' terms and remember to reverse the signs as you cross them over to the other side. 7x - 7 =1...
JW
Answered by Jessica W. • Maths tutor
6870 Views