Lacdaorizellejoyviz
Answered

describe my solutional
1.x² + 8x + 12 < 0
2.x² - 4x + 3 _ 0
3.x² + 5x + 4 _ 0
4.x² - 10x + 21 > 0
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Sagot :

Guzmanerickajen1viz

Step-by-step explanation:

1.x²+8x+12=x<-6,-2>

2.x²-4x+3_0=2x²-4x+3

3.x²+5x4_0=3x²+20