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x2 + 8x - 9 factors to (x - 1)(x + 9)

x2 - 1 factors to (x - 1)(x + 1)

The LCM will be (x - 1)(x + 1)(x + 9) or x3 + 9x2 - x - 9

The GCF is (x - 1)

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x2 + 48x + 320

The LCM is 16.

The numbers are 16 and 4.

560 and 4, respectively.

LCM(2, 4, 8, 16) = 16

320

Q: What is the LCM of x2 plus 8x 9 and x2 1?

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4x2 + 8x + 4 = 4 (x2 + 2x + 1) = 4 (x + 1)2

Take out the common factor, 3: 3x + 6 = 3(x + 2).

(x + 4)(x + 1)

(x + 2)(x - 1)

x2+6x-7 = (x+7)(x-1) when factored

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(-4,-1)

I take it LCM is the lowest common multiple For the above the only common multiple is 1 you get x=1 1^2 + (8*1) -9 = 0 and 1^2 -1 = 0 Hope this helps

x2+8x = -3x2+5 4x2+8x-5 = 0 (2x+5)(2x-1) = 0 x = -5/2 or x = 1/2

4x2 + 8x + 4 = 4 (x2 + 2x + 1) = 4 (x + 1)2

4x2 + 8x + 4 = 4 (x2 + 2x + 1) = 4 (x + 1)2

(x + 9)(x - 1)

The LCM is x^2 - 1.

4x2 + 8x + 4 = 4 (x2 + 2x + 1) = 4 (x + 1)2

(x2 + 14 + 48 / (x + 8) = (x2 + 62) / (x + 8) =(x2 + 8x - 8x - 64 + 126) / (x + 8) = x - 1 + 126/(x+8)

x2 + 8x - 9 = 0(x + 9) (x - 1) = 0(x + 9) = 0 . . . . . x = -9(x - 1) = 0 . . . . . x = 1

(x+ 7)(x + 1) so x = -1 or -7