How do you solve #x^2 – 5x – 3 = -7# using the quadratic formula?

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Answer 1 · 2017-01-19T17:41:26

#x=1# or #x=4#

#x^2-5x-3=-7#

Add #7# to each side.

#x^2-5x+4=0#

Factorise.

#x^2-4x-x+4=0#

#x(x-4)-1(x-4)=0#

#(x-1)(x-4)=0#

#x-1=0# or #x-4=0#

#x=1# or #x=4#