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- Thread starter r-soy
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HallsofIvy

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For 60 you have "[itex]\sqrt{x}+ \sqrt{x}+ \sqrt{x}[/itex]" for "add three times the square root". That will work but should be written more simply as "[itex]3\sqrt{x}[/itex]".

The others are correct.

- #3

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my dear

#59 what is wrong ?

# 60

F(x) = -8xccube + 3square root of 3

now is ok?

#59 what is wrong ?

# 60

F(x) = -8xccube + 3square root of 3

now is ok?

- #4

Mark44

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#59 "subtracts the#59 what is wrong ?

# 60

F(x) = -8xccube + 3square root of 3

now is ok?

#60 Correct. F(x) = -8x

- #5

Mentallic

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But you have subtracted the cube.

the square ---> x

the cube ----> x

See the dilemma?

For #60 yes that is ok now.

- #6

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thanks very much for helping me

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