Subtract the sum of 9 b square - 3 c square and 2 b square + bc -2 c square from the sum of 2 b square - 2 - C square and c square + 2 b c - b square. and the answer is -10b square-bc+5c square. Tell the step-by-step solution, plz.
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13
Answer:
Sum of 9b² -3c²+2b²+bc - 2c² = 11b² -3c² +bc - 2c²
Sum of 2b² - c² +c²+2bc - b²= 1b² -c² +2bc +c²
1b² - c² + 2bc +c²- ( 11b² -3c² +bc - 2c²)
-10b² + 5c² +bc
Step-by-step explanation:
Answered by
6
Answer:
Answer:
Sum of 9b² -3c²+2b²+bc - 2c² = 11b² -3c² +bc - 2c²
Sum of 2b² - c² +c²+2bc - b²= 1b² -c² +2bc +c²
1b² - c² + 2bc +c²- ( 11b² -3c² +bc - 2c²)
-10b² + 5c² +bc
Step-by-step explanation:
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