Mathematics
Mathematics, 27.03.2020 05:52, caitlynnpatton1208

This is Josh’s work and 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)^2 )=±√16
x-3=± 4
x=-3±4

x=-3+4 x=-3-4
x=1 x=-7

Is Josh’s solution correct? Explain.

answer
Answers: 1

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Do you know the correct answer?
This is Josh’s work and solution for the equation x^2-6x-7=0:
x^2-6x-7=0
x^2-6x=7
...

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