3 years ago

Simplify (3x2 − 2) + (5x2 + 5x − 1).

Mathematics

2 answers:

alexdok [17]3 years ago

8 0

Answer:

8x² + 5x - 3

Step-by-step explanation:

Given

(3x² - 2) + (5x² + 5x - 1)

Since both parenthesis are distributed by 1 just remove them, that is

3x² - 2 + 5x² + 5x - 1 ← collect like terms

= (3x² + 5x²) + 5x + (- 2 - 1)

= 8x² + 5x - 3

lions [1.4K]3 years ago

4 0

Answer: 9

The steps are in the picture

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