Distribute the negative sign
Combine like terms
-9x^2 + 7x^2 = -2x^2
9x - 3x = 6x
13 - 6 = 7
<u>Answer</u>
If the volume of the cube was 27 (each side length is 3 units), what would the new volume be if each side length of the cube was
2 answers:
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