Algebra - Ch. 9: Solving Word Problems with Factoring (4 of 17) Example 4

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In this video I will find two negative numbers whose difference is 4 and their product is 45.

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I thought in theory that (let x, let x+4) would work as well. And it does!

Golden_Tortoise
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Hm ... their positives will work as well, yes? (+9)-(+5)=4; and (+9)X(+5)=45. Would this have shifted the graph? I think by 10 (-5 to 5) ... lots to ponder ... I've probably broken a million maths laws ... haven't I?

thomashughes