Answer:
x=-5, x=-9
Step-by-step explanation:
x^2+45=-14x
add 14x to both sides
x^2+45+14x=-14x+14x
simplify
x^2+14x+45=0
solve using quadratic formula
a=1, b-14, c=45
x=-14±√14^2-4·1·45/2·1
(solve using a calculator or PEMDAS)
(solve for both + and -)
x=-5, x=-9