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24 February, 13:45

Find the sum: (х2 + 2x+3) + (3 х2 + х + 1)

ОА. 3x4 + 4 х + 3

ОВ. 4 х2 + 3x+4

Нам ана на

е

агаарын

Ос. 4 х3 + 3 х + 4

оо

OD. 4x4 + 4 х + 3

+1
Answers (2)
  1. 24 February, 14:28
    0
    option b

    Step-by-step explanation:

    (х2 + 2x+3) + (3 х2 + х + 1)

    we sum the terms of equal variables

    х2 + 3 х2 + 2x + х + 1

    4x2+3x+4
  2. 24 February, 16:41
    0
    B) 4x^2 + 3x + 4

    Step-by-step explanation:

    (x^2 + 2x + 3) + (3x^2 + x + 1)

    Remove unnecessary parenthesis

    x^2 + 2x + 3 + 3x^2 + x + 1

    Collect like terms

    4x^2 + 3x + 4
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