document.write( "Question 1060610: Hey. I'm having trouble understanding what to do in these problems. I know the answers are YES and 0, but i dont get why. I would very much appreciate if you could help.\r
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document.write( "a. A teacher sees the following factoring on a student's paper. Is this factoring correct?
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document.write( "4(x - 3)2 - 8(x - 3) = 4(x - 3)[(x - 3) - 2] = 4(x - 3)(x - 5)
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document.write( "Choose:
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document.write( "-YES
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document.write( "-NO\r
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document.write( "b. What is the value of 4(x - 3)2 - 8(x - 3) - 4(x - 3)(x - 5)? (take note that the dash i added was to divide the answers, not negatives, which is why i left a space between the number)
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document.write( "Choose:
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document.write( "- 1
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document.write( "- 0
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document.write( "- -12x + 44
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document.write( "- 24x + 48 \n" );
document.write( "
Algebra.Com's Answer #805673 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! 4(x-3)^2 - 8(x-3) \n" ); document.write( "= 4(x-3)(x-3) - 8(x-3) \n" ); document.write( "= 4(x-3)((x-3) - 2) \n" ); document.write( "= 4(x-3)(x-5)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4(x-3)^2 - 8(x-3) - 4(x-3)(x-5) \n" ); document.write( "= 4(x^2 - 6x + 9) - (8x - 24) - 4(x^2 - 8x + 15) \n" ); document.write( "= (4x^2 - 24x + 36) - 8x + 24 - 4x^2 + 32x - 60 \n" ); document.write( "= -24x + 36 - 8x + 24 + 32x - 60 \n" ); document.write( "= 0 \n" ); document.write( " |