Question

make b the subject of the formula a=√b+6

Answer 1

Answer:

refer to the attachment above.!!!

hope it helps you:)

Answer 2

$a {}^{2} = b + 6 \\ \\ b = {a}^{2} - 6 \\ \\ b = (a - 6) {}^{2} \\ \\ = {a}^{2} - 12a + 36.$