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How can the difference of squares, 4x^2 - 25, be written in factored form? (2x + 5)(2x + 5) (2x - 5)(2x - 5) (2x - 5)(2x + 5) (2x - 5)^2

How can the difference of squares, 4x^2 - 25, be written in factored form? (2x + 5)(2x + 5) (2x - 5)(2x - 5) (2x - 5)(2x + 5) (2x - 5)^2
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How can the difference of squares, 4x^2 - 25, be written in factored form?

(2x + 5)(2x + 5)

(2x - 5)(2x - 5)

(2x - 5)(2x + 5)

(2x - 5)^2

User Raghav Sood
by
7.4k points

1 Answer

3 votes
3. Binomial Formula: ( a + b ) ( a - b ) = a^2 - ab + ba - b^2 = a^2 - b^2
4x^2 - 25 = (2x - 5)(2x + 5)
User KrishnaCA
by
8.7k points
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