Factorise:
$x^{2} - 12 x + 35$

(x - 7) (x - 5)

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(x - 7) (x + 5)

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(x + 7) (x - 5)

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(x + 7) (x + 5)

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Solution

The correct option is B $(x - 7) (x - 5)$
Given, $x^{2} - 12 x + 35$
$= x^{2} - 7 x - 5 x + 7 \times 5$
$= x (x - 7) - 5 (x - 7)$
$= (x - 7) (x - 5)$
$\Rightarrow$ Option A is correct.

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Similar questions

x

\frac{7 x + 5}{5} = 7 x

Solve for the value of $x$ : $\sqrt{{3 x}^{2} - 7 x - 30} - \sqrt{{2 x}^{2} - 7 x - 5} = x - 5$

\sqrt{3 x^{2} - 7 x - 30} - \sqrt{2 x^{2} - 7 x - 5} = x - 5

f (x) = 7 x + 5

y = 7 x + 5.

\sqrt{3 x^{2} - 7 x - 30} + \sqrt{2 x^{2} - 7 x - 5} = x + 5

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