Question

6c 2 −2c−1 −4c 2 +7c+5 ​

Answer 1

Answer:

6c2-4c2-2c+7c-1+5

Step-by-step explanation:

2c2+5c+4

Answer 2

Answer:

2c^2+5c+4

Step-by-step explanation:

6c^2 −2c−1 −4c^2 +7c+5

=6c^2 −4c^2 +7c −2c−1 +5

= c^2(6-4)+c(7-2)+4

=2c^2+5c+4