Q. Find the value of k if the expression 2a^2 - 3a + 7k = 12 at a = -2. Share with your friends Share 0 Ankita Agarwal answered this Dear Student, 2a2-3a+7k=12 at a=-2Now, putting value of a=-22×-22-3×-2+7k=128+6+7k=127k=12-147k=-2k=-27 Regards 1 View Full Answer
