Solve quadratic equations using formula, m2– 14m + 13 = 0.Find only b2 – 4ac=?
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2
Answer:
140
Step-by-step explanation:
m²-14m+13=0
a=1;b=-14;c=13
D=b²-4ac
D=(-14)²-4(1)(13)
D=196-56
D=140
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