Mathematics
MingBrennenstuhl
2015-11-10 03:57:15
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 + 10x + 8 A. Step 2 B. Step 3 C. Step 4 D. Step 1
ANSWERS
granberryzach
2015-11-10 07:54:12

Step 2. (x – 2)(3x) is (x)(3x) - 2(3x), not (x)(3x) + 2(3x)

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