Vasily states that −6(5g−7h+9−10g) can be rewritten as −30g+42h−54.
Which of these explains whether Vasily is correct?
A
Vasily is correct. He can rewrite the original expression as −6(5g−7h+9) and then as −30g+42h−54.
B
Vasily is correct. He can rewrite the original expression as −6(−5g−7h+9) and then as −30g+42h−54 .
C
Vasily is not correct. He should have rewritten the original expression as −6(5g−7h+9) and then as 30g−42h+54.
D
Vasily is not correct. He should have rewritten the original expression as −6(−5g−7h+9) and then as 30g+42h−54 .
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Answer:
a
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