Answer: the answer is
Step-by-step explanation:
Answer: C(x) = 5x + 7
Answer:(2x+5)(x+5)=0
2x^2+15x+25=0
Factorise we have
2x^2+10x+5x+25
(2x^2+10x)+(5x+25)=0
2x(x+5)+5(x+5)=0
(2x+5)(x+5)=0
