Answer:
x = ± 2
Step-by-step explanation:
Given
x² = 4 ( take the square root of both sides )
x = ±
= ± 2
Since 2 × 2 = 4 and - 2 × - 2 = 4
Well if 1 is 20 square inches then times 20 X 30 which equals 600. So the area is 600 square inches.
Answer:
x = 1/2
Step-by-step explanation:
Answer:
Multiply both sides by 
Step-by-step explanation:
Given

Required
Get an equivalent of 
To do this, we simply multiply through by 







