102. Simplify: (a + b) (2a-3b+ c) - (2a - 3b) c.
a. 2a² - ab - ac - 3b²+ 4bc
b. 2a² - ab - 2ac - 3b² + 4bc
c. 2a² - ab - ac-3b² + 6bc
d. None
Answers
Answered by
7
Answer:
Option a is correct sis
2a²-ab-ac-3b²+4bc
Tq sis
Answered by
2
Answer:
Option (a) 2a² - ab - ac - 3b²+ 4bc
Step-by-step explanation:
(a+b) (2a-3b+c)-(2a-3b) c
= 2a²-3ab+ac+2ab-3b²+bc-2ac+3bc
= 2a²-3b²-ab-ac+4bc
= 2a²-ab-ac-3b²+4bc
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