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Mathematics 20 Online
OpenStudy (anonymous):

subtract (-2x^2+4x^4+6-6x^3)-(-4-2x^3+6x^4-7x^2)

OpenStudy (anonymous):

do u have the ans

jhonyy9 (jhonyy9):

@shkrina can you calculi it step by step ? please

OpenStudy (anonymous):

sorry last ans was wrong .. i did mistake in - and +hope now its correct @jhonyy9

jhonyy9 (jhonyy9):

not is

jhonyy9 (jhonyy9):

for example there is +6 added to -(-4) so how many will add these ?

OpenStudy (anonymous):

-*-=+ -1*-4=4 then add 6 to it 6+4 ok...

jhonyy9 (jhonyy9):

sorry but with terms of x^2 not is right too

jhonyy9 (jhonyy9):

-2x^2 -(-7x^2) = ?

jhonyy9 (jhonyy9):

(-2x^2+4x^4+6-6x^3)-(-4-2x^3+6x^4-7x^2) so i think will be more easy if you rewrite the second parenthese with correct signs ok ?

OpenStudy (anonymous):

\[-2x ^{2}-(-7x ^{2})=-2x ^{2}+7x ^{2}=5x ^{2}\]

OpenStudy (anonymous):

−2x^4−4x^3+5x^2+10...hope now clear ....

jhonyy9 (jhonyy9):

ok ty

jhonyy9 (jhonyy9):

but ATTENTION !!!

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