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7 September, 05:44

Find the sum: (3x^2+2x+3) + (x^2+x+1)

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  1. 7 September, 06:04
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    4x2 + 3x + 4

    Step-by-step explanation:

    Step-1 : Multiply the coefficient of the first term by the constant 4 • 4 = 16

    Step-2 : Find two factors of 16 whose sum equals the coefficient of the middle term, which is 3.

    -16+-1=-17

    -8+-2=-10

    -4+-4=-8

    -2+-8=-10

    -1+-16=-17

    1+16=17

    2+8=10

    4+4=8

    8+2=10

    16+1=17

    Final result:

    4x2 + 3x + 4
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