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thatgirl666
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The product of (a + b)(a − b) is a perfect square trinomial.
 one year ago
 one year ago
thatgirl666 Group Title
The product of (a + b)(a − b) is a perfect square trinomial.
 one year ago
 one year ago

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thatgirl666 Group TitleBest ResponseYou've already chosen the best response.0
Sometimes Always Never
 one year ago

ZeHanz Group TitleBest ResponseYou've already chosen the best response.0
If you FOIL it: First: a*a = a² Outer: a*(b) = ab Inner: b*a = ab Last: b*(b) = b² Add up everything: a² + ab + ab + b². What do you think about the middle two terms?
 one year ago

thatgirl666 Group TitleBest ResponseYou've already chosen the best response.0
theyre the same?
 one year ago

timo86m Group TitleBest ResponseYou've already chosen the best response.1
it expands to a^2b^2 so it never a trinomial
 one year ago

thatgirl666 Group TitleBest ResponseYou've already chosen the best response.0
So its never?
 one year ago

timo86m Group TitleBest ResponseYou've already chosen the best response.1
never cuzz the middle terms cancel out meaning you always get a binomial, not a trinomial
 one year ago

thatgirl666 Group TitleBest ResponseYou've already chosen the best response.0
ohhhh okay :) thank you!
 one year ago

ZeHanz Group TitleBest ResponseYou've already chosen the best response.0
The middle two terms cancel: ab+ab=0, so you are left with only a²b². So never a trinomial; there are only two terms.
 one year ago
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