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transform the given into quadric equation and solve the roots

1. x(x + 7) = -12
2. 1x + x = 6​

Sagot :

HANAMAE101GO

Answer:

1. x(x+7)=-12

x²+7x=-12

x²+7x+12=0

x²+4x+3x+12=0

x(x+4)+3(x+4)=0

(x+4)x(x+3)=0

x+4=0

x+3=0

x=-4

x=-3

solution: x1=-4, x2=-3

2. 1x+x=6

2x=6

solution: x=3

Step-by-step explanation:

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