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Simplify: (7x2 − 5x + 2) − (−3x2 + 8x − 4) (5 points)

10x2 + 3x − 2

4x2 − 3x + 6

4x2 + 3x − 6

10x2 − 13x + 6

2 Answers

5 votes

Answer:

10x2 − 13x + 6



Hope This Helps


User Burktelefon
by
7.8k points
4 votes

Answer:

10x^2 -13x +6

Explanation:

(7x^2 − 5x + 2) − (−3x^2 + 8x − 4)

Distribute the negative sign

(7x^2 − 5x + 2) + 3x^2 - 8x + 4


I like to line them up vertically. The powers line up under each other.

7x^2 − 5x + 2

+ 3x^2 - 8x + 4

--------------------------

10x^2 -13x +6

User Vlad Dumitrescu
by
8.1k points