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navik [9.2K]
3 years ago
9

What are the solutions to the equation? x2 + 6x = 40

Mathematics
2 answers:
creativ13 [48]3 years ago
8 0
Just plug in the numbers:

4:  16 + 24 = 40  YES

5 = 25 + 40 ≠ 40 NO

8: 64 + 48 ≠ 40 NO

10: 100 + 60 ≠ 40 NO


So A. is the correct answer. Just to be sure:

-10: 100 + ( - 60) = 40 


Your answer is A. Hope that helps! :) 
Zielflug [23.3K]3 years ago
6 0

A............................

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