Answer: -3(x^2 + 1)(x-5)
Explanation: -3x^3 + 15x+3x -15
Factor by grouping: -3x^2(x-5) +3(x-5)
Combine: (-3x^2 +3)(x-5)
Factor by GCF: -3(x^2 +1)(x-5)
Set equal to zero: (x^2 +1)=0
(x+5)=0
Solve: x=5, x=square root of 1
Answer:
16
Step-by-step explanation:

Multiplication and division are priority to addition and subtraction
Brainliest please
9√5+√5
=22.360679775
&
6√2+5√2-15√2
=-5.656854249
A=(1,5) E=(-1,-4) I=(-2,4)
B=(5,0) F=(-3,-2) J=(0,3)
C=(2,-1) G=(7,0)
D=(0,-5) H=(-5,1)