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Divide the following polynomial (16x^2-25)÷(4x+5)
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5 votes
Divide the following polynomial
(16x^2-25)÷(4x+5)

User Abe Fehr
by
6.2k points

1 Answer

2 votes
differnce of 2 perfect squares, recognize

(a^2-b^2)=(a-b)(a+b)
so
(16x^2-25)=((4x)^2-(5^2))=(4x-5)(5x+5)

so

(16x^2-25)/(4x+5)=(4x-5)(4x+5)/(4x+5)=4x-5
User NobodyMan
by
6.7k points
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