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OpenStudy (anonymous):
Add the proper constant to each binomial so that the resulting trinomial is a perfect square trinomial. Then factor the trinomial: x^2-18x+____?
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OpenStudy (anonymous):
what number squared is also -18 as a sum?
OpenStudy (anonymous):
9?
OpenStudy (anonymous):
Hi :) thats what i put?
OpenStudy (anonymous):
Can you factor this : x^2-18x+81
OpenStudy (shayaan_mustafa):
@wanisali702 sorry. it should be \[x^2-2(x)(9)+9^2\] Sorry that was mistake. you have to add 9
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