Factorise the expression-z -7-7 xy - xyzA- z-71-x yB- z-71-x yC- x-71-z yD- z-71-x y

The correct option is D (z 7)(1 xy)Given, the expression is nbsp;z 7 + 7xy xyz. Taking '1' common from the first two terms and 'xy' common from the ...

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Standard VIII

Mathematics

Factorization by Taking Common Factor

Factorise the...

Question

Factorise the expression:
$z - 7 + 7 x y - x y z .$

(z + 7) (1 + x y)

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(z - 7) (1 + x y)

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(x + 7) (1 - z y)

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(z - 7) (1 - x y)

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Solution

The correct option is D $(z - 7) (1 - x y)$
Given, the expression is
$z - 7 + 7 x y - x y z .$
Taking '1' common from the first two terms and 'xy' common from the last two terms, we get
$1 (z - 7) - x y (z - 7)$
$= (z - 7) (1 - x y)$

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Similar questions

7^{1 + x} + 7^{1 - x} = 50

Q. The shortest distance between the lines

\frac{x + 1}{7} = \frac{y + 1}{- 6} = \frac{z + 1}{1}

and

\frac{x - 3}{1} = \frac{y - 5}{- 2} = \frac{z - 7}{1}

Q. Find the shortest distance between the lines

\frac{x + 1}{7} = \frac{y + 1}{- 6} = \frac{z + 1}{1} and \frac{x - 3}{1} = \frac{y - 5}{- 2} = \frac{z - 7}{1} .

Q. The shortest distance between the lines

\frac{x + 1}{7} = \frac{y + 1}{- 6} = \frac{z + 1}{1}

and

\frac{x - 3}{1} = \frac{y - 5}{- 2} = \frac{z - 7}{1}

Q. Find the missing term(s)-

Z 15A, W 13C, ?, Q9 G, N 71

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Factorise the expression: z−7+7xy−xyz.

The correct option is D (z−7)(1−xy)Given, the expression is z−7+7xy−xyz. Taking '1' common from the first two terms and 'xy' common from the last two terms, we get 1(z−7)−xy(z−7) =(z−7)(1−xy)

Factorise the expression:
$z - 7 + 7 x y - x y z .$

The correct option is D $(z - 7) (1 - x y)$
Given, the expression is
$z - 7 + 7 x y - x y z .$
Taking '1' common from the first two terms and 'xy' common from the last two terms, we get
$1 (z - 7) - x y (z - 7)$
$= (z - 7) (1 - x y)$