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Earn +20 ptsQ: How do you solve w2 plus 49 equals 0?
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What is the equation of W2 plus W - 30 equals 0?
Does this mean w^2 + w -30 = 0 ? If so, w = 5 or -6
What is the factored form of w2 plus 18w plus 77?
w2+18w+77 = (w+7)(w+11) when factored
What is V plus x equals Wsquared what is x?
x = W2 - V and you cannot get any further than that since neither W nor V are known.
What is the real number solution of w2-3w equals 0?
w2-3w = 0 w(w-3) = 0 w = 3 or w = 0
What is w and l in lw equals 2800 and 2l plus 2w equals 220?
l + w = 110 so l = 110 - w, making lw = 110w - w2 which equals 2800. This rearranges to w2 - 110w + 2800 = 0. The factors of this are (w - 70)(w - 40) so w = 40 and l = 70. Factors of 2800 are 2 x 1400, 4 x 700, 5 x 560, 7 x 400, 8 x 350, 10 x 280, 20 x 140, 25 x 112, 70 x 40
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