Question

???????????????????????????(5m^2-3)(5m2-9)​

Answer 1

=(5m^2)(5m^2)+(5m^2)(−9)+(−3)(5m^2)+(−3)(−9)

=25m^4−45m^2−15m2+27

=25m^4−60m2+27

Answer 2

Explicación paso a paso:

=(5m2+−3)(5m2+−9)

=(5m2)(5m2)+(5m2)(−9)+(−3)(5m2)+(−3)(−9)

=25m4−45m2−15m2+27

=25m4−60m2+27