5x2 – 8x – 21
I'll mark the person as brainliest who'll do this correctly.... For sure!! Pls help
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Answered by
1
Answer:
Step-by-step explanation:
5x² - 8x - 21
= 5x² - 15x + 7x - 21
= 5x(x-3) + 7(x-3)
= (5x+7)(x-3)
Pls mark as brainliest
Answered by
1
Answer:
5x² - 8x - 21
= 5x² - 15x + 7x - 21
= 5x (x-3) + 7 (x-3)
= (5x+7)(x-3)
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