let f(x)=2x^2+7x-5 and g(x)=-8x^2-3x+5
what is g(x)+f(x)
To find g(x)+f(x), we add the two functions together:
g(x)+f(x) = (-8x^2-3x+5) + (2x^2+7x-5)
Group the like terms:
= (-8x^2 + 2x^2) + (-3x + 7x) + (5 - 5)
Combine the like terms:
= -6x^2 + 4x
Therefore, g(x)+f(x) = -6x^2 + 4x.