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anonymous
 5 years ago
Solve for x in the following equation
5x^227x56=0
A.) x=7;8/5
B.)x=7;8/5
C.)x=7;8/5
D.)x=7;8/5
anonymous
 5 years ago
Solve for x in the following equation 5x^227x56=0 A.) x=7;8/5 B.)x=7;8/5 C.)x=7;8/5 D.)x=7;8/5

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0again, for these sorts of problems, it is faster to substitute the values and see which of them solve it.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0no it cant be. 7 doesnt solve that equation

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0see, there is a little trick you can use. With just two substitutions you can determine which is the correct answer. Suppose you substitute 7 in the equation, it solves it. so the answer is either C or D. next substitute 8/5. it doesn't solve the equation. So it is not D. so your answer has to be C

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ohhh i get my sighs messed up thanks
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