What property does this equivalence demonstrate? 3(b+c)=3(c+b)

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Drag each expression to the correct location on the solution. not all expressions will be used. consider the polynomial 8x + 2x2 - 20x - 5. factor by grouping to write the polynomial in factored form.