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Earn +20 ptsQ: What is x2-9X plus 81 factored?
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Is this trinomial a trinomial square x2-18x plus 81?
x2-18x+81 = (x-9)(x-9) when factored
How do you factor out 3x2 plus 54x plus 243?
Divide all terms by 3 and so x2+18x+81= (x+9)(x+9) when factored
What are the factors of the following polynomial k2 plus 18k plus 81?
To factor this, find two numbers whose product is 81 and sum 18. These two numbers are therefore 9 and 9. So we can rewrite the polynomial in its factored form as follows: (k+9)(k+9), or "k plus 9 squared"
What is 78 plus 79 plus 80 plus 80 plus 81 plus 81?
78 + 79 + 80 + 80 + 81 + 81 = 479
What is 2x squared plus 5x plus 3 factored?
2x2+5x+3 = (2x+3)(x+1) when factored
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