subtract 6x² - 7x + 5 from the sum of 4x² - 5x + 7 and 8-3x² - 4x
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Answer:
-5x² -2x +10
Step-by-step explanation:
Step -I
(4x² -5x +7) + (8 -3x² -4x)
= 4x² -5x +7 +8 -3x² -4x
= x² -9x +15
Step-II
(x² -9x +15) - (6x² -7x +5)
= x² -9x +15 -6x² -7x +5
= -5x² -2x +10
Hope it is helpful!