Answer:
7.2
Step-by-step explanation:
first divide -2 by 5= -2/5
multiply 18 by -2/5=-36/5
divide 36 by 5=7.2
Answer:
Step-by-step explanation:
hello :
(x + 2)2 – 2(x + 2) – 15 = 0
let : t= x+2
t²-2t-15 =0
(t-5)(t+3)=0
t-5=0 or t+3=0
t=5 or t=-3
but : t =x+2
if : t=5 x+2 =5 so : x=3
if : t= -3 x+2 = -3 so : x= -5
conclusion two solutions : 3 , -5
Answer:
(x+11)(x-11)
Step-by-step explanation:
Answer:
The Triangle Inequality Theorem states that the sum of any 2 sides of a triangle must be greater than the measure of the third side. Note: This rule must be satisfied for all 3 conditions of the sides.
X2-6x Y =9 I hope it serves you
