anonymous
  • anonymous
pLEASE CHECK MY WORK TO SEE IF i AM CORRECT 28x^2-6x+1 28(-4)^2-6(4)+1 Then I need help
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
(gof) (-4)
amistre64
  • amistre64
you need to use -4 in each x spot ...
anonymous
  • anonymous
I thought that I did that above 28(-4)-6(-4)+1 right

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anonymous
  • anonymous
sorry for got the 28(-4)^2
amistre64
  • amistre64
better, and remember that -*- = +
anonymous
  • anonymous
so that would be 28*4=112^2 right
amistre64
  • amistre64
28(-4)^2 -6(-4) + 1 28(16) +24 + 1 280 + 120 + 48 +25
amistre64
  • amistre64
28*4 = 80 + 32 = 112 yes
anonymous
  • anonymous
so 112-24+1=89 but my test said that was wrong so would you add 112+24+1
amistre64
  • amistre64
the 112 still needs to be multiplied by the other 4
amistre64
  • amistre64
112*4 = 400+40+8
anonymous
  • anonymous
so 448
amistre64
  • amistre64
and its not -24 .. -6(-4) = 24, to negatives gets a postive
anonymous
  • anonymous
that is right two negatives make positive so the answer would be 448 correct
amistre64
  • amistre64
448 + 24 + 1 = ?
anonymous
  • anonymous
the answer was 473???
anonymous
  • anonymous
Ok I have four problems that goes with the pair of functions can you help me and I wont bug you no more tonight
amistre64
  • amistre64
448 + 24 + 1 468 + 4 + 1 472 + 1 = 473
amistre64
  • amistre64
i cant make that promise, its getting late over here where i am and il have to leave soon
anonymous
  • anonymous
f(x)=3x g(x)=7x^2-4x+6
amistre64
  • amistre64
post it up as a new question and see if anyone bites :)

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