Dinazhae Dinazhae

24-03-2021
Mathematics

contestada

What are the solutions of the quadratic equation ? x ^ 2 + 10x = - 21

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24-03-2021

Answer:

-3 and -7

Step-by-step explanation:

x^2+10x+21=0

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

x=-3

x= -7

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