FarisY517570
FarisY517570
27-10-2022
Mathematics
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4x^2 + 5x = -1what are the solutions?
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LydaO646429
LydaO646429
27-10-2022
[tex]\begin{gathered} 4x^2+5x=-1 \\ 4x^2+5x+\frac{25}{16}=-1+\frac{25}{16}=\frac{9}{16} \\ (2x+\frac{5}{4})^2=\frac{9}{16}\rightarrow2x+\frac{5}{4}=\frac{3}{4}\rightarrow2x=-\frac{2}{4}=-\frac{1}{2}\rightarrow x=-\frac{1}{4} \end{gathered}[/tex]
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