vshiroky
  • vshiroky
The value of 3(x+2)^2 when x =-4 I can't remember the order
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
remember, PEMDAS P Parentheses first E Exponents (ie Powers and Square Roots, etc.) MD Multiplication and Division (left-to-right) AS Addition and Subtraction (left-to-right)
vshiroky
  • vshiroky
Do I foil it?
anonymous
  • anonymous
Well you already have what x is, so you would just plug x in. If you were expanding, then yes, you foil it.

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More answers

vshiroky
  • vshiroky
I got 36 but I think it's wrong
anonymous
  • anonymous
so since x = -4 \[3(-4+2)^2\]
anonymous
  • anonymous
sorry, \[3(-2)^2\]
anonymous
  • anonymous
\[3(-2)^2 = 3(4)\]
anonymous
  • anonymous
\[3\times4\]
anonymous
  • anonymous
and that equals 12
vshiroky
  • vshiroky
Thank you can you double check another answer for me
vshiroky
  • vshiroky
9y^2-4x X=-4 and y=1
UsukiDoll
  • UsukiDoll
\[9y^2-4x\]
UsukiDoll
  • UsukiDoll
and we have y =1, and x = -4 right?
vshiroky
  • vshiroky
I got 25
UsukiDoll
  • UsukiDoll
so we plug in 1 and -4 into the equation \[9(1)^2-4(-4)\]
UsukiDoll
  • UsukiDoll
\[9(1)-(-16) \rightarrow 9+16=25\]
UsukiDoll
  • UsukiDoll
I also got 25, so it seems to be the right answer.
vshiroky
  • vshiroky
Ty!

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