Question

(×pangkat dua+2)(×pangkat dua+2×y-z) jabarkan bentuk aljabar berikut

Answer 1

(x2+2)(x2+2xy−z)

=(x2+2)(x2+2xy+−z)

=(x2)(x2)+(x2)(2xy)+(x2)(−z)+(2)(x2)+(2)(2xy)+(2)(−z)

=x4+2x3y−x2z+2x2+4xy−2z

=x4+2x3y−x2z+2x2+4xy−2z