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What is the factored form of 25d^2 – 64?

What is the factored form of 25d^2 – 64?-example-1
User Insumity
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2 Answers

10 votes
It’s the 3rd one 5d+8(5d-8)
6 votes

Answer: (5d+8)(5d-8)

Step-by-step explanation:

Use the difference of squares rule

a^2 - b^2 = (a+b)(a-b)

(5d)^2 - 8^2 = (5d+8)(5d-8)

25d^2 - 64 = (5d+8)(5d-8)

User Ashchristopher
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