Tolong di jawab ya kak plisss​

Jawaban:

2×2 + 5x +4 =0

a = 2

b =5

c =4

x2-6x+8 =0

a=1

b= -6

c =8

a2 +8a=12

a =1

b= 8

c = -12

5y2-4=12

5y2-4-12=0

5y2-16=0

a=5

b=0

c= -16

6m2 = 12m +4

6m2 -12m -4 = 0

a = 6

b = -12

c = -4

Penjelasan dengan langkah-langkah:

Rumus => ax2 + bx + c = 0