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koban [17]
3 years ago
11

The area of a rectangle is represented by 5x^2+19x+12. What is the length?

Mathematics
1 answer:
prisoha [69]3 years ago
7 0
5x^2+19x+12=5x^2+15x+4x+12=5x(x+3)+4(x+3)\\\\=(x+3)(5x+4)\\\\Answer:x+3\ \times\ 5x+4
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