Respostas

2014-05-22T14:22:42-03:00
m² - 9m = -14
m² - 9m + 14 = 0

S = 9
P = 14
S : {7, 2}
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2014-05-22T14:26:18-03:00
M²-9m=-14
m²-9m+14=0
A=1 B=-9 C=14

Δ=b²-4ac
Δ=-9²-4*1*14
Δ=81-56= 25

m=(-b+-√Δ)/2*a
m=-(-9)+-5/2
m=(81+-9)/2
m1=81+9/2=90/2=45
m2=81-9/2=76,5
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