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Tom [10]
3 years ago
12

Factor the expression 5x^2 -22x -15

Mathematics
1 answer:
Murljashka [212]3 years ago
3 0
5x^2-22x-15=5x^2\underbrace{-25x+3x}_{-22x}-15\\\\=(5x^2-25x)+(3x-15)=5x(x-5)+3(x-5)\\\\=\boxed{(x-5)(5x+3)}

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