Question

Simplificati fractia F(X)=$\frac{2X ^{2}-7X-4 }{ X^{2}-16 }$ ,pentru X∈R \ (-4;4) AM NEVOIE URGENT VAROG MULT!!!

Answer 1

2x^2-7x-4=(x-4)(2x+1)
x^2-16=(x-4)(x+4)
(x-4)(2x+1)/(x-4)(x+4)=2x+1/x+4
x dif de 4
xdiferit de -4