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QUIZELLEMAEGUBATANIN
Answered

Perform the indicated operation of x²+4x-21=0
1.x¹+x²=
2.x¹+x²=​

Sagot :

EYANGQT0127IN

Answer:

x^2+4x-21=0

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

x+7=0 x-3=0

x=-7 x=3

1.x1+x2

-7+3=-4

2.x1'x2

-7*3=-21

Step-by-step explanation:

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