simplify (a+b)(3a-4b+c) - (2a-3b) c
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Answered by
2
Step-by-step explanation:
(3a² - 4ab + ac + 3ab - 4b² + bc) - (2ac - 3bc)
= 3a² - 4ab + ac + 3ab - 4b² + bc - 2ac + 3bc
= 3a² - ab - ac - 4b² + 4bc
Answered by
1
Answer:
=(a+b)(3a-4b+c) - (2a-3b)c
=a(3a-4b+c)+b(3a-4b+c) - (2a-3b)c
=(3a^2-4ba+ca)+(3ab-4b^2+cb) - (2a-3b)c
=3a^2-4b^2-4ba+3ab+ca+cb - 2ac+3bc
=3a^2 - 4b^2 - 4ba+3ab + ca-2ac +cb+ 3bc
=>3a^2 - 4b^2 - ab + ac + 4bc
Thnku
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