Question

4a² + 5b² - 6c²
( Formula = a = 1 , b = 2 , c = 3 )​

Answer 1

Answer:

9

Step-by-step explanation:

4a^2 + 5b^2 - 6c^2

put a= 1 , b=2 , c=3

4×(1)^2 + 5×(2)^2 -6×(3)^2=

4×1 +5×4 - 6+9=

4+20-15= 9

Answer 2

Answer:

4×1²+5×2²-6×3²

4×2+5×4-6×9

8+20-54

28-54

26

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