3 years ago

Choose the correct simplification of (5x3 − 5x − 8) + (2x3 + 4x + 2).

Mathematics

2 answers:

irinina [24]3 years ago

7 0

5x^3 - 5x - 8 + 2x^3 + 4x + 2

7x^3 - x - 6 (some like terms)

Inessa [10]3 years ago

5 0

Answer:

The simplified form of the given expression is $7x^3-x-6$ .

Step-by-step explanation:

The given expression is

$(5x^3-5x-8)+(2x^3+4x+2)$

$5x^3-5x-8+2x^3+4x+2$

Combine like terms,

$(5x^3+2x^3)+(-5x+4x)+(-8+2)$

$7x^3+(-x)+(-6)$

$7x^3-x-6$

Therefore the simplified form of the given expression is $7x^3-x-6$ .

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