Question

aplicar a formula bhaskara x²+4x-30=0



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Answer 1

Supondo que tu já saiba a fórmula
X=-4+-raiz de 16-4(1)(-30)/2
X=-4+-raiz de 16+120/2
X=-4+-raiz de 136/2
X=-2+-raiz de 136/2
X’=-2+raiz de 136/2
X”=-2-raiz de 136/2