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5 votes
Can someone help please how do you solve (3x-5)(3x+5) It would be so much help high school is so stressful right now

User Bhiefer
by
7.3k points

1 Answer

6 votes

Answer:

Explanation:

(3x−5)(3x+5)

Multiplication can be transformed into difference of squares using the rule: (a−b)(a+b)=a

2

−b

2

.

(3x)

2

−5

2

Expand (3x)

2

.

3

2

x

2

−5

2

Calculate 3 to the power of 2 and get 9.

9x

2

−5

2

Calculate 5 to the power of 2 and get 25.

9x

2

−25

User Mateo De Mayo
by
7.8k points