Let p=x^2+6p=x 2
+6p, equals, x, squared, plus, 6.
Which equation is equivalent to (x^2+6)^2-21=4x^2+24(x
2
+6)
2
−21=4x
2
+24left parenthesis, x, squared, plus, 6, right parenthesis, squared, minus, 21, equals, 4, x, squared, plus, 24 in terms of ppp ?
Choose 1