Question

which of the following is the correct mathematical statement? (a)
$(3x + {2}^{2} ) = {3x}^{2} + 6x + 4$
(b)
${2x}^{2} + 5x = {4x}^{2} + 5x$
(c)
${2x}^{2} + 4(2x) + 7 = {2x}^{2} + 8x + 7$
(d)
${3x}^{2} + 2x = 5x$
please tell me the ans plz!!​ plzz

Answer 1

Answer:

c) because it is a quadratic equation