Math, asked by nikhilns551, 10 months ago

5x2-16x-21
$5x2 - 16x - 21 \\ \\ \\$

Answers

Answered by jk4876

1

Answer:

x=-1,21/5

Step-by-step explanation:

5x^2-21x+5x-21

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

(x+1)(5x-21)

x=-1,21/5

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