LCM of polynomials

Find the lcm of 4x3 + 8x2 and 5x2 -20

Correct answer:

x = 20x^4 -80x^2

Step-by-step explanation:

a =4x3 + 8x2 = 4x2  (x+2) b=5x2 20=5(x24)=5(x2)(x+2)  x = LCM(a,b) x = 4x2  5 (x+2)(x2) x = 4x2  5 (x24) x = 20x2 (x24) x=20x480x2



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