Question

a)x²+x-5=0
b)2x²-9x+4=0 c)x²+8x+16=0 d)x²-3x-28=0 e)x²+12x+36=0 f)6x²-x-1=0 g)9x²+2x+1=0 h)x²-2x=2x-4 i)x²-2x=x+4 j)6x²+3x=1+2x k9x²+3x+1=4x²

Answer 1

Resposta:

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