document.write( "Question 390233: 1. what is 9x2 - 8y2 factored?\r
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Algebra.Com's Answer #276653 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "factoring
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document.write( "2. 4x^24 - y^2 Note the use of ^ to indicate square (uppper case 6 on keyboard)
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document.write( "(2x -y)(2x +y)Note:SUM of the inner product(-2xy) and the outer product(2xy) = 0
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document.write( "3.4x^2 - 64y^2  
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document.write( "(2x - 8y)(2x+8y)Note:SUM of the inner product(-16xy) and the outer product(16xy) = 0
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document.write( "4. x^2 - 16^y2 
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document.write( "(x-4y)(x+4y)Note:SUM of the inner product(-4xy) and the outer product(4xy) = 0\r
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