Answer:
x=3 & x=-2/3
Step-by-step explanation:
- 3x^3+2x^2-27x-18
- (3x^3-27x)+(2x^2-18)
- 3x(x^2-9)+2(x^2-9)
- (3x+2)(x^2-9)
- 3x+2=0
- 3x=-2
- 3x/3=-2/3
- x=-2/3
- x^2-9=0
- x^2=9
=
- x=3
- x= -2/3 & x=3
Answer:
27
Step-by-step explanation:
math
Mr. Polland has 361 square feet of space to post pictures.
Explanation:
Because it’s a square, each side is equal in length. Finding area of a square means you multiply the length by the width. Because the length and width age equal here, the equation is ((19*19=361)). You also multiply the units together, so your units are square feet.
Answer:
5.005
try that, im pretty sure you subtract