Impara online a risolvere i problemi di passo dopo passo. Solve the inequality 16y^2+20y+-66<=0. Applicare la formula: ax^2+bx+c=a\left(x^2+\frac{b}{a}x+\frac{c}{a}\right), dove a=16, b=20, c=-66 e x=y. Applicare la formula: a\left(x^2+b+c\right)=a\left(x^2+b+c+\left(\frac{coef\left(b\right)}{2}\right)^2-\left(\frac{coef\left(b\right)}{2}\right)^2\right), dove a=16, b=\frac{5}{4}y, c=-\frac{33}{8} e x=y. Applicare la formula: a\left(x^2+b+c+f+g\right)=a\left(\left(x+\sqrt{f}sign\left(b\right)\right)^2+c+g\right), dove a=16, b=\frac{5}{4}y, c=-\frac{33}{8}, x^2+b=y^2+\frac{5}{4}y-\frac{33}{8}+\frac{25}{64}-\frac{25}{64}, f=\frac{25}{64}, g=-\frac{25}{64}, x=y e x^2=y^2. Applicare la formula: ax\leq b=x\leq \frac{b}{a}, dove a=16, b=0 e x=\left(y+\frac{5}{8}\right)^2-\frac{33}{8}-\frac{25}{64}.

Solve the inequality 16y^2+20y+-66<=0