Question

Solve for x Write the smaller solution first, and the larger solution second.

Round to two decimal places.
(x + 15)^2 – 10 = 0

Answer 1

x= -18.16 x= -11.84

Explanation:

(x+15)(x+15)= x^2+30x+225-10=0

x^2+30x+215=0

a=1 -30±√(30)²-4(1)(215)

b=30 -----------------------------

c=215 2(1)