<span>x(3x+5)-4(3x+5)
3x^2+5x-12x+20
3x^2-7x+20</span>
Answer:
cos(25)
Step-by-step explanation:
cosAcosB + sinAsinB = cos(A-B)
cos(20)cos(45) + sin(20)sin(45)
= cos(20-45) = cos(-25)
= cos(25) or 0.906
Answer:
x=4
Step-by-step explanation:
8x - 7 =2(2x +7) - 5
8x - 7 =4x +14 - 5
8x - 7 =4x +9
8x - 4x =9 +7
4x =16
x=16 :4
x=4
Answer:
a sorry
Step-by-step explanation:
I want points for the question thanks
Answer:
What expression are we supposed to be answering this for?