Question

A. 1. Subtract 4a2+ 5b2-6c2 +8 from 2a2-3b2-4c2 - 5​

Answer 1

Answer:

-2a2-8b2+2c2-13

Step-by-step explanation:

first change the sign of all term which are substrate from other term

Answer 2

2a^2-3b^2-4c^2-5

(-) 4a^2+5b^2-6c^2+8

__________________

= -2a^2-8b^2+2c^2-13

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