Kate multiplied two binomials using the distributive property. She made a mistake in one of the steps. Where did she first make a mistake?
(x-2)(3x+4)
1. (x - 2)(3x) + (x + 2)(4)
2. (X)(3x) + (-2)(3x) + (x)(4) + (2)(4)
3.3x2 - 6x + 4x + 8
4.3x2 - 2x + 8
A. Step 4
B. Step 3
C. Step 2
D. Step 1

-14

step-by-step explanation:

2x2 – 2(x+4)

=2x2-2（5+4）

=4-2×9

=4-18

=-14

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for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis: