Answer
[tex]2x^2-6x^2=-4x^2[/tex]Explanation
Given:
[tex]2x^2-6x^2[/tex]To simplify the expression, we can find a common factor between the terms given, which, in this case, is x²:
[tex]=x^2(\frac{2x^2}{x^2}-\frac{6x^2}{x^2})[/tex][tex]=x^2(2-6)[/tex]Then, we can add two to –6, obtaining -4:
[tex]=x^2(-4)[/tex]Multiplying both factors we get:
[tex]=-4x^2[/tex]