3 years ago

Factor completely: 80x2 – 125

Mathematics

2 answers:

Paladinen [302]3 years ago

6 0

Answer:

$5(4x-5)(4x+5)$

Step-by-step explanation:

$80x^2-125= \\\\5(16x^2-25)= \\\\5(4x-5)(4x+5)$

Hope this helps!

Dahasolnce [82]3 years ago

4 0

Answer:

5( 4x-5)(4x+5)

Step-by-step explanation:

80x^2 – 125

Factor out a 5

5( 16 x^2 - 25)

Inside the parentheses is the difference of squares

5 ( (4x)^2 - 5^2)

We know the difference of squares is (a^2 - b^2) = (a-b) (a+b)

5( 4x-5)(4x+5)

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