Question

los siguientes productos notables
(y+z)(y-3z)
(y-5z)(y-3z)
(z+3x)(z-x)
(8y+6)(8y+j)
(z+2j)(-6z+2j)
(jm+6)(jm-z)
(a+6b)(a+3b)

Answer 1

y^2-2yz-3z^2
y^2-8yz+15z^2
z^2+2xz-3x^2
8jy+6j+64y^2+48y
4j^2-10jz-6z^2
j^2m^2-jmz+6jm-6z
a^2+9ab+18b^2