Answer :
Step-by-step explanation:
=((5m+6)(m−7)(5m+6))(m)+((5m+6)(m−7)(5m+6))(−7)
=25m4−115m3−384m2−252m−175m3+805m2+2688m+1764
=25m4−290m3+421m2+2436m+1764
Step-by-step explanation:
=((5m+6)(m−7)(5m+6))(m)+((5m+6)(m−7)(5m+6))(−7)
=25m4−115m3−384m2−252m−175m3+805m2+2688m+1764
=25m4−290m3+421m2+2436m+1764