Ask Question
2 July, 18:23

Simplify: (3x2 - 5x + 9) + (7x2 + 8x - 15)

A. 10x2 + 3x - 6

B. 10x2 - 3x - 6

C. 10x2 + 3x + 6

D. 10x2 - 3x + 6

+4
Answers (1)
  1. 2 July, 18:36
    0
    The correct answer is A. 10x² + 3x - 6

    Step-by-step explanation:

    Let's simplify (3x2 - 5x + 9) + (7x2 + 8x - 15):

    (3x2 - 5x + 9) + (7x2 + 8x - 15)

    3x2 - 5x + 9 + 7x2 + 8x - 15 (Opening the parenthesis)

    3x² + 7x² - 5x + 8x + 9 - 15 (Aligning similar terms)

    10x² + 3x - 6

    The correct simplified form is A. 10x² + 3x - 6
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Simplify: (3x2 - 5x + 9) + (7x2 + 8x - 15) A. 10x2 + 3x - 6 B. 10x2 - 3x - 6 C. 10x2 + 3x + 6 D. 10x2 - 3x + 6 ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers