Math, asked by gt252498, 8 hours ago

if a=6,b=3 and c=7 the value of 2a^2 +3b^2-7c^2is

Answers

Answered by npanchal2006

0

Answer:

-244

Step-by-step explanation:

2a^2 +3b^2-7c^2

=2(6)^2 +3(3)^2-7(7)^2

=(2X36)+(3X9)-(7X49)

=72+27-343

=99-343

=-244

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