asked 186k views
4 votes
(3+4x)(3-4x)=
THIS IS SO HARD IM GOING CRAZY !!!!!!!!!!!!

asked
User Imbichie
by
9.1k points

2 Answers

5 votes

Explanation:

Actually, it isn't that hard. Remember the difference of squares? (a + b)(a - b) = a² - b² and in this case 9 is a and 4x is b so our answer is 81 - 16x².

answered
User Topkara
by
8.4k points
4 votes

Answer:

9 - 16x²

Explanation:

(3+4x)(3-4x)= 3²- (4x)²= 9 - 16x²

answered
User Arnon
by
7.8k points

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