what must be added to the sum of 4x²+3x-7 and 3x²+6x+5 to get 1
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Answered by
12
Answer:
Let a be added.
4x²+3x-7 + (3x²+6x+5) + a = 1
7x² + 9x - 2 + a = 1
a = 1 - (7x² + 9x - 2)
a = 1 - 7x² - 9x + 2
a = - 7x² - 9x + 3
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Answered by
1
Answer:
ok
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