10 ejemplos de productos notables resueltos !

Respuestas

Respuesta dada por: 30i30
17
(a+b)(a-b)=
a^2-ab+ab-b^2=
a^2-b^2

(2z+1)(x-2)=
2xz-4z+x-2

(19+a)(a+2b)=
19a+38b+a^2+2ab

(1+3e)(1-e)=
1-e+3e-3e^2=
-3e^2+2e+1

(x+z)(10+a^3)=
10x+10a^3+10z+a^3z

(-2+ab)(3ad+2ac)=
-6ad-4ac+3a^2bd+2a^2bc

(abc+xyz)(axz+byd)=
a^2bcxz+ab^2cdy+ax^2yz^2+bdxy^2z

(10+x)(5-x)=
50-10x+5x-x^2
-x^2-5x+50

(3r+2a)(2a+4r)=
6ar+12r^2+4a^2+8ar

(7w+4x)(-3x+w)=
-21wx+7w^2-12x^2+4wx=
-12x^2-17wx+7w^2

:)
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