A fund-raiser at the school raises $617.50. They sent $580.45 to local charities. What percent of the money went to charities?
1 answer:
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Answer:
2x² - 3x - 2
Explain:
Use the FOIL method: (a +b)(c +d) = ac + ad +bc +bd.
2x² + x - 4x - 2
Collect like terms.
2x² + (x - 4x) - 2
Simplify.
2x² - 3x - 2
