Factorize- x 2-10 x -21A- x-3x-7B- x-3x-7C- x-3x-7D- x-3x-7

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Factors of a³ - b³

Factorize: x ...

Question

Factorize: $x^{2} - 10 x + 21$ .

(x + 3) (x - 7)

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(x - 3) (x - 7)

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(x + 3) (x + 7)

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(x - 3) (x + 7)

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Solution

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Similar questions

x^{3} + 3 x^{2} + 3 x - 7

x^{3} - 3 x^{2} + 3 x + 7

2 x + 7 = 12 - 3 x

x^{2} + 5 x - 24

x^{3} - 3 x^{2} - 10 x + 24

The factors of x⁴ + x² + 25 are

(a) (x² + 3x + 5) (x² − 3x + 5)

(b) (x²+ 3x + 5) (x² + 3x − 5)

(c) (x² + x +5) (x² − x + 5)

(d) none of these

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