If you expand the square, you have
Simplify the right hand side:
Cancel the -3x appearing on both sides:
Multiply both sides by 4:
Consider the square root of both terms (using the doubles sign):
A rectangular prism has a length of 9 centimeters, a height of 15 centimeters, and a width of 20 centimeters. What is its volume
1 answer:
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