"Algebra i polinomis 4ESO_A   2010"

"Alguns exercicis del llibre Anaya 2010 - pag. 108"

"Exer_4"

(1-2*x)/9=1-(x+4)/6

;Expd(#4)
1/9-2*x/9=1/3-x/6

;Fctr(User)
(1-2*x)/9=(2-x)/6

;Solve(#6,x)
[x=-4]
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(3*x+2)/5-(4*x-1)/10+(5*x-2)/8=(x+1)/4

;Expd(#8)
33*x/40+1/4=x/4+1/4

;Fctr(#9)
(33*x+10)/40=(x+1)/4

;Simp(User)
[x=0]
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(x-3)/2-(5*x+1)/3=(1-9*x)/6

;Fctr(#12)
-(7*x+11)/6=(1-9*x)/6

;Solve(#13,x)
[x=6]
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(x+1)/2+(x-3)/5-2*x=(x-8)/5-6

;Fctr(#15)
-(13*x+1)/10=(x-38)/5

;Solve(#16,x)
[x=5]
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"Exerc_5"

(1+12*x)/4+(x-4)/2=(3*(x-1)-(1-x))/8

;Fctr(#19)
7*(2*x-1)/4=(x-1)/2

;Solve(#20,x)
[x=5/12]

(3*x-2)/6-(4*x+1)/10=-2/15-2*(x-3)/4

;Fctr(#22)
(3*x-13)/30=(41-15*x)/30

;Solve(User,x)
[x=3]
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(2*x-3)/6-3*(x-1)/4-2*(3-x)/6+5/8=0

;Fctr(#25)
-(2*x+3)/24=0

;Solve(#26,x)
[x=-3/2]

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"Exerc_7"

(x-3)^2/4-(2*x-1)^2/16=35/16

;Fctr(#29)
5*(7-4*x)/16=5*7/2^4

;Solve(#30,x)
[x=0]
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((2*x-4)^2-1)/8=x*(x+1)/2+5

;Fctr(#32)
(2*x-3)*(2*x-5)/8=(x^2+x+10)/2

;Expd(#33)
x^2/2-2*x+15/8=x^2/2+x/2+5

;Solve(#34,x)
[x=-5/4]
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(x+3)/5+(x-1)^2/4=(x^2+1)/4

;Fctr(#36)
(5*x^2-6*x+17)/20=(x^2+1)/4

;Solve(User,x)
[x=2]