. Multiply (x + 3)(x – 3). A. x2 + 6x – 9 B. x2 + 6x + 9 C. x2 – 9 D. x2 – 6x + 9 help some says its C and some says its not

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asked Dec 10, 2018 78.4k views

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Tyeshia · Answer 1 · 2018-12-16T23:01:56+0000

x × x = x^2
x × -3 = -3x
3 × x = 3x
3 × -3 = -9

x^2 + 3x - 3x - 9
So I would agree with C because the -3x and the 3x cancel each other out. I hope this helps!

. Multiply (x + 3)(x – 3). A. x2 + 6x – 9 B. x2 + 6x + 9 C. x2 – 9 D. x2 – 6x + 9 help some says its C and some says its not

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