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pshichka [43]
2 years ago
10

Evaluate the expression for X=2 and y=4. enter your answer in the box.

Mathematics
1 answer:
kondaur [170]2 years ago
8 0

Answer:

18

Step-by-step explanation:

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antiseptic1488 [7]

Answer:

  • incorrect
  • correct
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Step-by-step explanation:

A + B = (-4x^2 +2x -5) +(3x^2 +6) = x^2(-4+3) +x(2) +(-5+6) = -x^2 +2x +1

  The given sum is Incorrect.

__

A - C = (-4x^2 +2x -5) -(-5x -4) = -4x^2 +x(2+5) +(-5+4) = -4x^2 +7x -1

   The given difference is Correct.

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B + C = (3x^2 +6) +(-5x -4) = 3x^2 -6x +2

  The given sum is Incorrect.

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3 years ago
Simon took the length width and height of his textbook. the measurements were 26 cm, 23 cm, and 3cm respectively. what is the vo
bixtya [17]
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Fo you want multiple thanks???

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