claythememe
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the sum of two trinomials is 7x squared - 5x + 4. If one of the trinomials is 3x squared + 2x -1, then what is the other trinomial?​

Respuesta :

Answer:

4x^2 - 7x + 5.

Step-by-step explanation:

Just subtract :

7x^2 - 5x + 4 - (3x^2 + 2x - 1)      (Note we need the parentheses around the                       second triniomial).

=  7x^2 - 5x + 4 - 3x^2 - 2x + 1     Now subtract like terms:

=  4x^2 - 7x + 5.

loveblue0706

Answer:

4x^2 - 7x + 5

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