Answer:
Step-by-step explanation:
hello :
3x²-6x=65 equivalent to : 3x²-6x-65 =0
a=3 b= -6 c= -65
∆ = b²-4ac ∆ = (-6)²-4(3)(-65)=816 = ...continu
a = -3
-2(a-3)=12
distribute the -2 to the terms in the paranthesis
-2a + 6 = 12
minus 6 both sides
-2a = 6
divide -2 both sides to isolate a
I hope this was helpful (:
i hope it helps you!! :)))
143/9 = 15.89
