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+...
Mathematics, 30.01.2020 01:02 Tayannamorgan2373
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=+/-4
x=-3+/-4
x=-3+4 x=-3-4
x=1 x=-7
is josh’s solution correct? explain
Answers: 3
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