urmot2880 urmot2880

Today at 11:19 PM
Mathematics

Answered

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

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 class=

Answer :

jimrgrant1 jimrgrant1

Today at 11:23 PM

Answer:

step 1

Step-by-step explanation:

Given

(x - 2)(3x + 4) ← apply distributive property

= (x - 2)(3x) + (x - 2)(4)

↑ error is here , she put (x + 2)

Answer Link

lhmarianateixeira lhmarianateixeira

Today at 11:23 PM

In this exercise we have to use the knowledge of the distributive property, so In alternative 1 she made the mistake.

What is distributive property example?

The distributive property is used when a number is multiplying an addition or subtraction. Simply multiply each term separately and add or subtract the result. We distribute the multiplication of the 2, to the 8 and to the 3.

Proving the mistake:

[tex](x - 2)(3x + 4) \\= (X)(3x) + (-2)(3x) + (x)(4) + (2)(4)\\and not\\(x-2)(3x) + (x + 2)(4)[/tex]

See more about distributive at brainly.com/question/14926605

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