P² - 12 p - 13 = 0
Δ = ( -12)² - 4 ( 1 * - 13)
Δ = 144 + 52
Δ = 196 = 14²
x₁ = (- ( -12) + 14 ) / 2 = 26/2 = 13
x₂ = ( - ( -12) - 14) /2 = - 2 /2 = - 1
S = 13
Answer:
.05 im sure of it hope it helps.
Step-by-step explanation:
When one number is negative and the other is positive.
Answer:
A no. is correct one
Step-by-step explanation:
Hope it will help you. and please mark me brilliant