2x+4=14
89-w=260
$$6x=\frac{x}{30}+4$$
f(x)=4x-x^2-7
−21x^3y^4z^5-23x^7y^7z^3
4x-x^2-7
tan -2800degrees
f(x) = -2x(x-1)(x+2)
$$6x=\frac{x}{30}$$
f(x) = 3x^2 - 7x