This is josh's solution for the equation: x^2-6x-7=0
x^2-6x-7=0
x^2-6x=7
x^2-6x+9...
Mathematics, 28.08.2019 19:40 hamaama
This is josh's solution for the equation: x^2-6x-7=0
x^2-6x-7=0
x^2-6x=7
x^2-6x+9=7+9
(x-3)^2=16
x-3=16
x=19
x-3=-16
x=-13
is josh's solution correct? explain.
Answers: 2
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