How do you solve #-x ^ { 2} + 2x + 3= x ^ { 2} - 2x + 3#?
1 Answer
The answers are
Explanation:
#-x^2 + 2x+3= x^2 - 2x+3#
#=> -x^2+2x+3-x^2+2x-3=0#
#=> -2x^2+4x=0#
#=> 2x^2-4x=0#
#=> x^2-2x=0#
#=> x(x-2)=0#
Hence,
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