Math, asked by jobanpreetkaur10, 6 months ago

x2-4x-21 factorize ​

Answers

Answered by sowbarnikaambaa
2

Step-by-step explanation:

=x^2-7x+3x-21

=x(x-7)+3(x-7)

=(x+3)(x-7)

Thisis the factors

Answered by harshkardile14
3

Answer:

Factorise :-

x^2 - 4x - 21

Using the method of spiliting the middle term.

x^2 - 7x + 3x - 21

x (x - 7) + 3 (x - 7)

(x - 7) (x + 3)

Answer :- (x - 7) (x + 3).

HOPE YOU LIKE IT,

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