you have to multiply the 2 equations. so it will be 2n^2 ×2n= 4n^2 Then, -7n×2n= -14n Then, -4x2n= -8n Then, 2n^2×-5=-10n^2 Then -7n×-5= 35n Then, -4×-5=20. Combine like terms, 4n^2 -14n -8n -10n^2 +35n +10 = -6n^2+13n+10 After this you can keep it as simplest for OR X-BOX OR FOIL
