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Earn +20 ptsQ: 2x square plus 21x plus 49?
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What is the factorization of the trinomial below 2x2 plus 21x plus 49?
(2x+7)(x+7)
What is 21x plus 49 factorised?
7(3x+7)
What does x equal when 8x plus 7 equals 2x plus 49?
Remember in algebra any operation you do to one side of the equaution and also to the other side does not affect the eqaution 8x + 7 = 2x + 49 subtract 2x from both sides 6x + 7 = 49 subtract 7 from both sides 6x = 42 divide both sides by 6 x = 7
What are the factors of 4x squared 28x 49?
4x2+28x+49 = (2x+7)(2x+7) when factored
9t squared plus 42t plus 49?
9t2 + 42t + 49 is a perfect square, equal to (3t + 7)2
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