Answer:
121
Step-by-step explanation:
x² + 3x –28 = 0
a= 1,b= 3,c= -28
3²-4×1(-28)
= 121
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Answers & Comments
Answer:
121
Step-by-step explanation:
x² + 3x –28 = 0
a= 1,b= 3,c= -28
3²-4×1(-28)
= 121