Question

(2m-3)×(m+7)=4m+8 forma normal ou reduzida

a)2m2 + 7m – 29 = 0

b)2m2 + 18m – 13 = 0

c)2m2 + 15m – 29 = 0

d)m2 – m – 29 = 0

e)2m2 – m + 8 = 0

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Answer 1

(2m-3)×(m+7) = 4m+8

2m²+14m-3m-21 = 4m-8

2m²+7m-29 = 0