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Simplify: 5x^4 (4x+5)=

1 Answer

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Answer:

20x⁵ + 20x⁴

Explanation:

Use distributive rule: a*(b +c) =a*b + a*c

5x⁴(4x + 5) = 5x⁴ * 4x + 5x⁴ * 5

= 20x⁵ + 20x⁴

Hint: 5x⁴ * 4x multiply the coefficient and then the variables. For multiplying variable, if they two have same base, then add the powers

5*4 * x⁴ * x = 20x⁵

User Brendan L
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