Respuesta :
Answer:
(x+3)( 5x-3)
Step-by-step explanation:
f(x) = 5x² + 12x – 9
Factor
(x+3)( 5x-3)
Step-by-step explanation:
Hey there!
Given;
f(x)= 5x^2+12x-9.
Now, do mid-term factorization.
f(x)= 5x^2 + (15-3)x-9
= 5x^2+15x-3x -9
= 5x(x+3) -3(x+3)
= (5x-3)(x+3)
Therefore the answer is option C.
Hope it helps..