What must be added to 5 x3-2 x2-6 x-7 to make the sum x3-3 x2-x-1 -a 4 x3-5 x2-7 x-6b -4 x3-5 x2-7 x-6c 4 x3-5 x2-7 x-6d none of these

nbsp; (b) minus;4x3 + 5x2 minus; 7x minus; 6 In order to find what must be added, we subtract (5x3 minus; 2x2 + 6x + 7) from (x3 + 3x2 minus; ...

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Addition of Polynomials

What must be ...

Question

What must be added to 5x³ − 2x² + 6x + 7 to make the sum x³ + 3x² − x + 1?
(a) 4x³ − 5x² + 7x + 6
(b) −4x³ + 5x² − 7x − 6
(c) 4x³ + 5x² − 7x + 6
(d) none of these

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2 x^{2} y^{2} - 5 x + 7

- 5 x^{2} y^{2} + 7 x - 9

f (x) = 4 x^{3} + 8 x^{2} - 7 x + 3 so that resulting polynomial is divisible b y g (x) = x^{2} - x + 2 ?

({5 x}^{2} - 7 x + 4)

(2 x - {5 x}^{3} + 1)

({3 x}^{2} - 1 + 5 x)

4 x^{3} - 5 x^{2} - 6 x + 7 = 0

x = 1

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