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How do you factor y squared minus 100? - Answers

(y-10)*(y+10) since y2 -100 is a pattern known as the difference of squares. This simply means both terms are perfect squares and you are subtracting them. In general if you have a2 -b2 this factors as (a+b)(a-b). The reason this works is that the plus and minus signs make the middle terms cancel out. That is to say, when you multiply it out you have a2 + ab-ba-b2 and since -ba+ab=0 we have the desired result. Although this works for all real numbers, sometimes we multiply "other things" where AB does not equal BA and then it won't work.



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How do you factor y squared minus 100? - Answers

https://math.answers.com/other-math/How_do_you_factor_y_squared_minus_100

(y-10)*(y+10) since y2 -100 is a pattern known as the difference of squares. This simply means both terms are perfect squares and you are subtracting them. In general if you have a2 -b2 this factors as (a+b)(a-b). The reason this works is that the plus and minus signs make the middle terms cancel out. That is to say, when you multiply it out you have a2 + ab-ba-b2 and since -ba+ab=0 we have the desired result. Although this works for all real numbers, sometimes we multiply "other things" where AB does not equal BA and then it won't work.



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https://math.answers.com/other-math/How_do_you_factor_y_squared_minus_100

How do you factor y squared minus 100? - Answers

(y-10)*(y+10) since y2 -100 is a pattern known as the difference of squares. This simply means both terms are perfect squares and you are subtracting them. In general if you have a2 -b2 this factors as (a+b)(a-b). The reason this works is that the plus and minus signs make the middle terms cancel out. That is to say, when you multiply it out you have a2 + ab-ba-b2 and since -ba+ab=0 we have the desired result. Although this works for all real numbers, sometimes we multiply "other things" where AB does not equal BA and then it won't work.

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      (y-10)*(y+10) since y2 -100 is a pattern known as the difference of squares. This simply means both terms are perfect squares and you are subtracting them. In general if you have a2 -b2 this factors as (a+b)(a-b). The reason this works is that the plus and minus signs make the middle terms cancel out. That is to say, when you multiply it out you have a2 + ab-ba-b2 and since -ba+ab=0 we have the desired result. Although this works for all real numbers, sometimes we multiply "other things" where AB does not equal BA and then it won't work.

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