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5 votes
3x(x2 + 4)..........................................

2 Answers

3 votes

Answer:


3x^(3) +12x

Explanation:

STEP 1: Apply the distributive property.


3x^(2) * x^(2) +3x*4

STEP 2: Multiply
x by
x^(2) by adding the exponents.


3x^3+3x*4

STEP 3: Multiply
4 by
3.


3x^(3) +12x

User Oshun
by
7.4k points
4 votes

Answer:

3x³ + 12x

Explanation:

3x(x² + 4) = 3x³ + 12x

When multiplying stuff in a bracket, multiply (3x) by (x²) first then multiply (3x) by (4). (3x × x² = 3x³)( 3x × 4 = 12x)

Tell me if you need it in factorised form.

User Jdnichollsc
by
7.6k points

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