Q5. From the sum of 3x² - 5x + 2 and - 5*2 – 8x + 6 subtract 4x2 - 9x + 7.
Answers
Answered by
4
Answer:
Rearranging and collecting the like terms: (3-5)x2 + (− 5-8)x + 2 +6 = -2x2 − 13x + 8. Subtract 4x2 − 9x + 7 ...
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Answered by
0
Answer:
Sum of 3x
2
−5x+2 and −5x
2
−8x+6
=(3x
2
−5+2)+(−5x
2
−8x+6)
Rearranging and collecting the like terms, we get:
=3x
2
−5x
2
−5x−8x+2+6
=(3−5)x
2
−(5−8)x+2+6
=−2x
2
−13x+8
Now Subtract 4x
2
−9x+7 from −2x
2
−13x+8
(−2x
2
−13x+8)−(4x
2
−9x+7)
=−2x
2
−13x+8−4x
2
+9x−7
=−2x
2
−13x+8−4x
2
−9x−7
Rearranging and collecting the like terms, we get:
=−2x
2
−4x
2
−13x−9x+8−7
=(−2−4)x
2
−(13+9)x+8−7
=−6x
2
−4x+1
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