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Mathematics 19 Online
OpenStudy (anonymous):

2x^2+6x+x^4 when x=-1

OpenStudy (anonymous):

-3

OpenStudy (anonymous):

Show work

OpenStudy (help!!!!):

Just plug in -1 where x is

OpenStudy (anonymous):

2(1)+6(-1)+1

OpenStudy (magbak):

tag him

OpenStudy (anonymous):

Okay I have another Algebra question I got this one

OpenStudy (anonymous):

Subtract (3x-30) from the sum of (-2x+14) and (9x-9)

OpenStudy (mrnood):

@poisonIV PLEASE leave the OP something to do for himself

OpenStudy (help!!!!):

(-2x+14) + (9x-9) - (3x-30)

OpenStudy (help!!!!):

now solve

OpenStudy (anonymous):

haha, i'll try @MrNood

OpenStudy (mrnood):

Looks like @HELP!!!! has done just that!

OpenStudy (mrnood):

@sabby7548 this illustrates the danger of taking other peoples answer without understanding. @poisonIV is wrong - but you may take her answer cos she is quick....

OpenStudy (anonymous):

@MrNood where have i gone wrong?

OpenStudy (mrnood):

you say....

OpenStudy (anonymous):

yes?

OpenStudy (mrnood):

or maybe @sabby7548 will work it out

OpenStudy (anonymous):

wait, i dont get it. what have i said?

OpenStudy (mrnood):

just check your arithmetic

OpenStudy (anonymous):

sorry i forgot to add the -9 the answer is 4x+35 thanks @MrNood :)

OpenStudy (mrnood):

but by now @sabby7548 has gone off to another question without checking yours. It would've been better to leave it where @HELP!!!! gave the formula, and let the OP understand how to work it out. Thx for help anyhow!

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