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LUCKY_DIMON [66]
3 years ago
6

Please help and fast!!!! ( i accidently clicked an answer)

Mathematics
1 answer:
STatiana [176]3 years ago
5 0

Answer:

theres nothing there

Step-by-step explanation:

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Percy solved the equation x2 + 7x + 12 = 12. His work is shown below. Is Percy correct? Explain.
antoniya [11.8K]
= > x² + 7x + 12 = 12

= > x² + ( 4 + 3 )x + 12 = 12

= > x² + 4x + 3x + 12 = 12

= > x( x + 4 ) + 3( x + 4 ) = 12

= > ( x + 4 ) ( x + 3 ) = 12


Percy did correct till this step. But by doing like this, Percy can't get the values of the variable x.



Percy should follow the following steps :

= > x² + 7x + 12 = 12


Add -12 on both sides,


= > x² + 7x + 12 - 12 = 12 - 12

= > x² + 7x = 0

= > x( x + 7 ) = 0

= > ( x = 0 ) or ( x + 7 = 0 )

= > ( x = 0 ) or ( x = - 7 )



Hence, required value(s) of x is 0 or -7
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4 years ago
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How can I solve 15+50-5/12. this is for fifth grade
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Im in fifth grade too. that was on my homework it confused me so much
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Suppose that g(x) = f(x) + 2. Which statement best compares the graph of
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Answer:

Step-by-step explanation:

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Step-by-step explanation:

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Answer:

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3 years ago
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