Math, asked by amir69, 1 year ago

5x×2-16x-21 factorise

Answers

Answered by ani12352

78

5x2-16x-21

5x2+5x -21x -21

5x(x+1)-21(x+1)

(x+1)(5x-21)

Answered by kashafhaq2122

24

Answer:

(x+1)(5x-21)

Step-by-step explanation:

=5x2-16x-21

=5x2+5x -21x -21

=5x(x+1)-21(x+1)

=(x+1)(5x-21)..... Answer

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