Jenineyvonneid
Answered

FACTOR THE TRIOMINAL

x²-20=__
x²-20+__= 44+__
__-64=0
(x-__)(__+8)=0
(x+8)(x-8)=0
x+8=0, x-8=0
x=__ ,x=__​​

Sagot :

Dobuid

Step-by-step explanation:

x² - 20 = (?) (x - 4)²

= x (x- 4) 4(x - 4)

=x² - 4x - 4x - 100

= x²+ 8x - 100

(?) = x² + 8x - 100

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