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Nezavi [6.7K]
3 years ago
6

Please help! Find the value of C such that each expression is a perfect-square trinomial.

Mathematics
1 answer:
crimeas [40]3 years ago
5 0
For ax^2+bx+c
when a=1
take 1/2 of b and square it
that is what c should be ideally

p^2-30p=c
-30/2=-15
(-15)^2=225
c=225
(p-15)^2 is factored form


k^2-5k+c
-5/2
(-5/2)^2=25/4
c=25/4
factored form is (x-5/2)^2
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