Sagot :
Answer:
x²-20=__
x²-20+__= 44+__
__-64=0
(x-__)(__+8)=0
(x+8)(x-8)=0
x+8=0, x-8=0
x=__ ,x=__
Step-by-step explanation:
x²-20=__
x²-20+__= 44+__
__-64=0
(x-__)(__+8)=0
(x+8)(x-8)=0
x+8=0, x-8=0
x=__ ,x=__
Answer:
x²-20=__
x²-20+__= 44+__
__-64=0
(x-__)(__+8)=0
(x+8)(x-8)=0
x+8=0, x-8=0
x=__ ,x=__
Step-by-step explanation:
x²-20=__
x²-20+__= 44+__
__-64=0
(x-__)(__+8)=0
(x+8)(x-8)=0
x+8=0, x-8=0
x=__ ,x=__