Here! Hope this helps.
Two tanks are shown below. Both are filled to capacity, but the owner decides to drain them. Tank 1 is draining at a rate of 8 l
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Now, a double root, or a root with a multiplicity of 2, means the root is there twice, namely, for a quadratic, that has a root of say "a", like x² + bx + c, the roots will be 0 = (x + a)(x + a), which produces a root of "a" twice, or a zero with a multiplicity of 2.
so. hmmmm let's use that, keeping in mind that, in the trinomial, the middle term, as you know from factoring, is ax + ax, or 2ax. The constant or last term is just the product of a * a, or a², thus
so. hmmmm let's use that, keeping in mind that, in the trinomial, the middle term, as you know from factoring, is ax + ax, or 2ax. The constant or last term is just the product of a * a, or a², thus
