Question

3x²+4x, 5x²- 3x, 2x-4x²
THE SUM OF THIS IS 4x²+ 3x
BUT HOW? EXPLAIN STEP-BY-STEP​

Answer 1

Answer:

$= 3 {x}^{2} + 4x + 5 {x}^{2} - 3x + 2x - 4 {x}^{2}$

$= 4 {x}^{2} + 3x$

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Answer 2

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