Darrell drove 187 miles in 3 hours. what was Darrell's average rate of speed
1 answer:
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Answer:
x=14, x=1
Step-by-step explanation:
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First factor the equation. Which numbers multiplies to 14 and adds up to -15? It's -14 and -1 so the equation is factored to (x-14)(x-1). I assume that you know how to do this.
Then set the values inside the parentheses equal to 0 and solve for x.
