Ejercicio Resuelto 89 del Algebra de Baldor
Respuestas a la pregunta
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Respuesta:
1.a^2 +aba2+ab =a(a +b)a(a+b)
2.b+b^2b+b2 =b(1 +b)b(1+b)
3.x^2 +xx2+x =x(x +1)x(x+1)
4.3a^3 -a^23a3−a2 =a^2(3a -1)a2(3a−1)
5.x^3 -4x^2x3−4x2 =x^2(x-4)x2(x−4)
6.5m+15m ^{3}5m+15m3 =5m ^{2} (1+3m)5m2(1+3m)
7.ab -bc= b(a -c)ab−bc=b(a−c)
8. x^{2} y+x ^{2}z = x^{2} (y+z)x2y+x2z=x2(y+z)
9. 2 a^{2} x+6a x^{2} = 2ax(a+3x)2a2x+6ax2=2ax(a+3x)
10.8m^2 -12mn8m2−12mn =4m(2m -3n)4m(2m−3n)
11. 9a^{3}x^{2} -18ax^{3} = 9ax^{2}( a^{2}-2x)9a3x2−18ax3=9ax2(a2−2x)
12. 15c^3d^2 +60c^2d^315c3d2+60c2d3 =15c^2d^2(c +4d)15c2d2(c+4d)
13. 35 m^{2} n^{3} -70 m ^{3} =35m^{2} ( n^{3} -2m)35m2n3−70m3=35m2(n3−2m)
14. abc+ab c^{2} =abc(1+c)abc+abc2=abc(1+c)
15. 24 a^{2} xy^{2} -36 x^{2} y^{4}24a2xy2−36x2y4
16.a^{3} + a^{2} +aa3+a2+a =a(a^{2} +a+1a2+a+1 )
17.4 x^{2} -8x+2 =2(2 x^{2} -4x+1)4x2−8x+2=2(2x2−4x+1)
18. 15y^3 +20y^2 -5y= 5y(3y^2 +4y -1)15y3+20y2−5y=5
Explicación:
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