Wednesday
April 16, 2014

Homework Help: math,correction ,

Posted by jas20 on Tuesday, February 27, 2007 at 7:44pm.

can someone correct these for me please...
Remove the parentheses.
-(3x+5y)

My answer: -3x-5y

Find the value of the polynomial

-x^2+3x-1 when x=4

My answer: -5

multiply. 10x(-4x-7)

my answer: -40x^2-70x

all correct.

awsome.....thank you...i just want to make sure....

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