How do you solve using the completing the square method #x^2+4x=5#?

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How do you solve using the completing the square method #x^2+4x=5#?

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Answer 1 · 2016-08-04T21:23:49

#x=1#
#x=-5#

Explanation:

#x^2+4x=5#
or
#x^2+4x+4=5+4#
or
#x^2+2(x)(2)+2^2=9#
or
#(x+2)^2=3^2#
or
#x+2=+-3#
or
#x=-2+-3#
or
#x=-2+3#
or
#x=1#---------------Ans #1#
or
#x=-2-3#
or
#x=-5#--------------Ans #2#

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How do you solve using the completing the square method #x^2+4x=5#?

1 Answer

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