b) 4x² - 5x + 9 from 7x²+x-3
Answers
Answered by
0
Answer:
3x²-4x+12
Step-by-step explanation:
7x²+x-3 - 4x²-5x+9
7x²-4x² +x - 5x+3+9
3x²-4x+12 ans.
Answered by
102
♣ Qᴜᴇꜱᴛɪᴏɴ :
Subtract : 4x² - 5x + 9 from 7x²+x-3
♣ ᴀɴꜱᴡᴇʀ :
3x² + 6x - 12
♣ ᴄᴀʟᴄᴜʟᴀᴛɪᴏɴꜱ :
(7x²+x-3) - (4x² - 5x + 9)
Distribute the negative sign (-) to 4x² - 5x + 9
= 7x²+x-3 - 4x² + 5x - 9
Combine like terms
= 7x²+x-3 - 4x² + 5x - 9
= 3x² + 6x - 12
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