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Setler [38]
3 years ago
14

5x^2 -15x-140 what method should be use?

Mathematics
1 answer:
elena55 [62]3 years ago
8 0
5x^2 -15x-140

5(x² -(3x) -28)

5(x² +(4x-7x)-28)

5(x(x+4) -7(x+4)

5(x-7)*(x-4)



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