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3 years ago

6(3x+4)-4(2x-6)-8xexplain step by step

Mathematics

2 answers:

ElenaW [278]3 years ago

6 0

Answer:

The answer is 2x+48

Step-by-step explanation:

LuckyWell [14K]3 years ago

5 0

1: Distribute

6(3x+4)-4(2x-6)-8x

18x + 24 - 4(2x-6)-8x

2: Distribute

18x + 24 - 4(2x-6)-8x

18x + 24 - 8x + 24 - 8x

3: Add the numbers

18x + 24 - 8x + 24 - 8x

18x + 48 - 8x - 8x

4: Combine like terms

18x + 48 - 8x - 8x

2x+48

Solution:

2x+48

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Step-by-step explanation:

We are given:

$f(x) = x^2 + 5x - 14 \\ g(x) = x + 7$

We need to find $(f o g)(x)$

We know that: $(fog)(x)=f(x)\times g(x)$

We multiply the both terms i.e. f(x) and g(x) to get our answer.

$(fog)(x)\\=f(x)\times g(x)\\=(x^2+5x-14)(x+7)\\=(x^2+5x-14)(x)+(x^2+5x-14)(7)\\=x^3+5x^2-14x+7x^2+35x-98\\Combining\:like\:terms:\\=x^3+5x^2+7x^2-14x+35x-105\\=x^3+12x^2+21x-98$

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4 years ago

6(3x+4)-4(2x-6)-8xexplain step by step​

6(3x+4)-4(2x-6)-8xexplain step by step