Respuesta :

y= x^2+20x+21

( x+3)(x+7)

or (x+7)(x+3)

Doesn't matter which one comes first

(x+3)(x+7) Answer

(x+7)(x+3) Answer

S1NGH

Answer:

( x + 7 ) ( x + 3 )

Solutions are -7 , -3

Step-by-step explanation:

x² + 10 x + 21

x ( x + 3 ) + 7 ( x + 3 ) = 0

( x + 7 ) ( x + 3 )

Factors = 3 , 7

Sum = 21

Product = 10

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