The correct option is A (3x 4)(x+1) Consider the given expression. #10; #10; #10;3x^2 x 4=3x^2+4x 3x 4 #10; #10; =(3x 4)(x+1) #10; ...

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Standard VIII

Mathematics

Factorisation by Common Factors

Factories ...

Question

Factories $3 x^{2} - x - 4$ is

(3 x - 4) (x + 1)

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(4 x - 3) (x + 1)

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(3 x + 4) (x - 1)

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(- 3 x^{2} + 4) (x + 1)

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Solution

The correct option is A $(3 x - 4) (x + 1)$
Consider the given expression.

$3 x^{2} - x - 4 = 3 x^{2} + 4 x - 3 x - 4$

$= (3 x - 4) (x + 1)$

Hence, this is the answer.

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Factories 3x2−x−4 is

The correct option is A (3x−4)(x+1)Consider the given expression. 3x2−x−4=3x2+4x−3x−4 =(3x−4)(x+1) Hence, this is the answer.

Factories $3 x^{2} - x - 4$ is

The correct option is A $(3 x - 4) (x + 1)$
Consider the given expression.

$3 x^{2} - x - 4 = 3 x^{2} + 4 x - 3 x - 4$

$= (3 x - 4) (x + 1)$

Hence, this is the answer.