Answer :
Answer:
The Answer is B
Step-by-step explanation:
(9x−5)(9x+5)
=(9x+−5)(9x+5)
=(9x)(9x)+(9x)(5)+(−5)(9x)+(−5)(5)
=81x2+45x−45x−25
=81x2−25
Answer:
The Answer is B
Step-by-step explanation:
(9x−5)(9x+5)
=(9x+−5)(9x+5)
=(9x)(9x)+(9x)(5)+(−5)(9x)+(−5)(5)
=81x2+45x−45x−25
=81x2−25