Question

Productos notables
(x+4) (x-4)=

(5x+2y) (5x-2y)=

(3-8x) (8x + 3) =​

Answer 1

Respuesta:

(x+4)(x−4)

=(x+4)(x+−4)

=(x)(x)+(x)(−4)+(4)(x)+(4)(−4)

=x²−4x+4x−16

=x²−16

(5x+2y)(5x−2y)

=(5x+2y)(5x+−2y)

=(5x)(5x)+(5x)(−2y)+(2y)(5x)+(2y)(−2y)

=25x²−10xy+10xy−4y²

=25x²−4y²

(3−8x)(8x+3)

=(3+−8x)(8x+3)

=(3)(8x)+(3)(3)+(−8x)(8x)+(−8x)(3)

=24x+9−64x²−24x

=−64x²+9

Explicación paso a paso: