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Solve for: x^2+4=40 and x^2+8x+16=20

Solve for: x^2+4=40 and x^2+8x+16=20
asked 3.0k views
5 votes
Solve for:

x^2+4=40

and

x^2+8x+16=20

asked
User James P McGrath
by
8.2k points

1 Answer

3 votes
x^2+4=40 is x=6,-6
x^2+8x+16=20 is x=-4+/2sqrt5


answered
User Eregon
by
8.1k points
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