4 years ago

!!PLEASE HELP!! I WILL MARK U 5 STARS AND EVERYTHING

Mathematics

2 answers:

Sholpan [36]4 years ago

7 0

Answer:

line 3 hope it helps :)

sdas [7]4 years ago

7 0

Answer:

Line 3

Step-by-step explanation:

In Line 3, there is part of the expression:

(2x²)(6x)

He added the two terms together, in which he was supposed to multiply.

(2x²)(6x) = 12x³

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