A.3c+5a=33
a + c=115
B. 3a+5c=33
a + c=115
C. 5c+3a=115
c + a=33
D. 3c+5a=115
a +c
Answer: 16m^4−25
Step-by-step explanation:
(4m^2−5)(4m^2+5)
=(4m^2+−5)(4m^2+5)
=(4m^2)(4m^2)+(4m^2)(5)+(−5)(4m^2)+(−5)(5)
=16m^4+20m^2−20m^2−25
=16m^4−25