Question

Solve the equation for t^2 +15t=-36.

Answer 1

t=−3 or t=−12

Explanation:

Step 1: Subtract -36 from both sides.

t2+15t−(−36)=−36−(−36)

t2+15t+36=0

Step 2: Factor left side of equation.

(t+3)(t+12)=0

Step 3: Set factors equal to 0.

t+3=0 or t+12=0

t=−3 or t=−12