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x^2-9x+20=0

x 2 -9x+20=0x 2 -5x-4x+20=0x(x-5)-4(x-5)=0(x-4)(x-5)=0x-4=0x=4x-5=0x=5
GL
Answered by Georgia L. • Maths tutor
3687 Views

Quelles mesures peuvent les français prendre pour réduire la pollution?

Il y a beaucoup de différentes mesures que les français peuvent prendre pour baisser le niveau de la pollution. En premier, ils peuvent essayer de utilitiser moins d'eau quand ils se lavent et de fermer le r...
SR
Answered by Sulamaan R. • French tutor
2715 Views

What themes are prominent in 'El Laberinto del Fauno'

There are several prominent themes throughout the film. The Spanish Civil War is the most evident theme to the viewer as the film is set during the period and plays a pivotal role in the characters lives. Sy...
LT
Answered by Lauren T. • Spanish tutor
17292 Views

Solve these simultaneously to find values for a and b: 6a + b = 16 and 5a - 2b = 19

In order to tackle questions like this with two letters of unknown value, first what we try to do is eliminate one of the variables completely from an equation. If we call 6a + b = 16 eqn 1 and 5a - 2b = 19 ...
MP
Answered by Malvika P. • Maths tutor
5349 Views

write a description of the town you are from

J’habite à Londres, qui est la capitale du Royaume Uni et qui se trouve au sud du pays. Londres est une des plus grandes villes du monde, avec environ 12 million d'habitant. C’est une ville très diverse, ave...
RK
Answered by ROXANA K. • French tutor
2416 Views