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Help me please I don't understand how to do it
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5 votes
Help me please I don't understand how to do it

Help me please I don't understand how to do it-example-1
User NoizWaves
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6.5k points

1 Answer

2 votes
x^2 + 4x -21
= (x +7)(x - 3)

hope that helps
User Wazner
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