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40 votes
40 votes
Joseph decided to solve the quadratic x² +8x=9. Which of the

following steps is where Joseph made his first mistake?
x² +8x=9
Step 1
Step 2
Step 3
0000
x+8x-9=0
(x+9)(x - 1) = 0
x= 9 and x = -1
Step 1
Step 2
Step 3
Joseph did not make any mistakes.

Joseph decided to solve the quadratic x² +8x=9. Which of the following steps is where-example-1
User Admirabilis
by
3.1k points

1 Answer

7 votes
7 votes

Answer:

he didn't mistake step 2

User Pankaj Upadhyay
by
2.8k points
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