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Math!! Pls help Which expression is equivalent to x^2 - 4x -45
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Math!! Pls help

Which expression is equivalent to x^2 - 4x -45

Math!! Pls help Which expression is equivalent to x^2 - 4x -45-example-1
User Jeyhun Rashidov
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1 Answer

1 vote

Answer:

D

Explanation:

x^2-4x-45

(x-9)(x+5)

What two numbers when multiplied make the -45 and when added make the -4? -9 and +5

User Abhinandan Satpute
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