express (x²+5x+12)(x²-5x+12) as a difference of two squares
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Answer:
x⁴-25x²-144-120x
Step-by-step explanation:
let be the x² be a and 5x+12 be b.
(x²+5x+12) (x²-5x+12)
using a formula :- [(a+b)(a-b)=a²-b²]
x² - (5x+12)²
x⁴-[(5x²+12x²+120x)]
x⁴-25x²-144-120x
✌️ Hope it's helpful for u!!❤️
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