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fiasKO [112]
2 years ago
10

Find the sum of the polynomials. 3 x 4 + 4x² + 6x + 7 + 3x^3 - 8x - 7​

Mathematics
1 answer:
34kurt2 years ago
5 0
12+4x^2+3x^3-2x is the answer.
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Use the identity (x+y)(x^2−xy+y^2)=x^3+y^3 to find the sum of two numbers if the product of the numbers is 28, the sum of the sq
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Step-by-step explanation:

We have xy = 28, x² + y² = 65 and x³ + y³ = 407.

Since (x + y)(x² - xy + y²) = x³ + y³,

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