Answer:
x= -8 , x=5
Step-by-step explanation:
2x^2+6x-80=0
x^2+3x-40=0
look for 2 numbers that their:
sum = 3
product = -40
(x+8)(x-5)=0
thus
x= -8 , x=5 (ANS)
Answer:

Step-by-step explanation:
<em><u>Given</u></em><em><u> </u></em><em><u>,</u></em>
Length of the tank = 27m
Width of the tank = 35m
Depth of the tank = 10m
<em><u>Therefore</u></em><em><u>, </u></em>
Volume of the tank = <em>Length</em><em> </em><em>×</em><em> </em><em>Width</em><em> </em><em>×</em><em> </em><em>Depth</em>
= 27m × 35m × 10m
