3 years ago

PLEASE HELP!! ASAP! Thank you!

Mathematics

2 answers:

ASHA 777 [7]3 years ago

6 0

X^2+2x=19
x^2+2x+1=20
(x+1)^2=20

nexus9112 [7]3 years ago

3 0

$x^2+2x=19\\
x^2+2x+1=20\\
(x+1)^2=20$

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