Question

20xsquare-45 factories it​

Answer 1

Answer:

20x² -45

5(x²-9)

is a answer

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Answer 2

Step-by-step explanation:

it's very easy

20x²-45

5(4x²-9)

5( (2x)² - (3)²)

5 (2x+3)(2x-3)