Question

6. Find the value of 3ab+4bc +3ca -b² - c², if a = 3,b=2 and c=-3.​

Answer 1

Answer:

-46

Step-by-step explanation:

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Answer 2

Answer:-

-136

step by step explanation:-

=3(3×2)+4(2×-3)+3(-3×3)-2²-(-3²)

=9×6+8×(-12)+(-9)×9-4+9

=54+(-96)+(-81)-13

=54-96-81-13

=-136

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