Math, asked by happybobo, 6 months ago

Find the solution of x²-4x-21>0

Answers

Answered by adityabisht895

1

Answer:

the solution is 100>0 and it's root are discriminate and real

Answered by mim42

1

Answer:

(x+7)(x-3)

x²-4x-21= x^2 +7x -3x-21

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

= (x+7)(x-3)

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