(x+6)(x+2)=60
expand
x^2+6x+2x+12=60
x^2+8x+12=60
minus 60 both sides
x^2+8x-48=0
factor
what multiplies to -48 and adds to 8
-4 and 12
(x-4)(x+12)=0
set each to zero
x-4=0
x=4
x+12=0
x=-12
x=4 or -12
solutions are x=-12 and 4
There is 8 flute players and yes there is twice. Because in total there are 12 instrument players so you could subtract 4 from 12 it will equal 8 and its twice of trumpet players.
The correct answers are 1. C, 2. C, 3. D, 4. D, 5. D
Answer:
i think the answer is 0,0
