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Apply the formula: $ax^2+bx+c=0$$\to x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$, where $a=4$, $x^2a=4x^2$, $b=12$, $x^2a+bx=0=4x^2+12x-16=0$, $c=-16$, $bx=12x$ and $x^2a+bx=4x^2+12x-16$
Learn how to solve equazioni quadratiche problems step by step online.
$x=\frac{-12\pm \sqrt{12^2-4\cdot 4\cdot -16}}{2\cdot 4}$
Learn how to solve equazioni quadratiche problems step by step online. Solve the quadratic equation 4x^2+12x+-16=0. Apply the formula: ax^2+bx+c=0\to x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}, where a=4, x^2a=4x^2, b=12, x^2a+bx=0=4x^2+12x-16=0, c=-16, bx=12x and x^2a+bx=4x^2+12x-16. Apply the formula: a=b\to a=b, where a=x and b=\frac{-12\pm \sqrt{12^2-4\cdot 4\cdot -16}}{2\cdot 4}. Apply the formula: x=\frac{b\pm c}{f}\to x=\frac{b+c}{f},\:x=\frac{b-c}{f}, where b=-12, c=20 and f=8. Apply the formula: a+b=a+b, where a=20, b=-12 and a+b=-12+20.
