Answer:
[tex]-3x^{3} -9x^2+3[/tex]
Step-by-step explanation:
Given
[tex](5x^{3} -7x^{2} +3x-4)-(8x ^ { 3 } +2x ^ { 2 } +3x-7) }[/tex]
Required
Simplify
[tex](5x^{3} -7x^{2} +3x-4)-(8x ^ { 3 } +2x ^ { 2 } +3x-7) }[/tex]
Open brackets
[tex]5x^{3} -7x^{2} +3x-4-8x^3 -2x^2 -3x+7[/tex]
Collect Like Terms
[tex]-8x^3+5x^{3} -7x^{2} -2x^2+3x -3x-4+7[/tex]
Simplify like terms
[tex]-3x^{3} -9x^2+3[/tex]
