Final answer to the problem
$x=2,\:x=-2$
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1
Factor the polynomial $4x^2-16$ by it's greatest common factor (GCF): $4$
$4\left(x^2-4\right)=0$
Learn how to solve equations quadratiques problems step by step online.
$4\left(x^2-4\right)=0$
Learn how to solve equations quadratiques problems step by step online. Solve the quadratic equation 4x^2-16=0. Factor the polynomial 4x^2-16 by it's greatest common factor (GCF): 4. Apply the formula: ax=b\to \frac{ax}{a}=\frac{b}{a}, where a=4, b=0 and x=x^2-4. Apply the formula: x+a=b\to x+a-a=b-a, where a=-4, b=0, x+a=b=x^2-4=0, x=x^2 and x+a=x^2-4. Apply the formula: x+a+c=b+f\to x=b-a, where a=-4, b=0, c=4, f=4 and x=x^2.
Final answer to the problem
$x=2,\:x=-2$
