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Solve for x: (x-5)^2 = 49​

User Tihom
by
5.0k points

1 Answer

1 vote

Answer:
x=12, -2

Explanation:


(x-5)^(2)=49

F.O.I.L the binomial


x^2-10x+25=49

Set to 0


x^2-10x+25_(-49) =49_(-49)


x^2-10x-24=0

Factor the polynomial


(x-12)(x+2)

Set to 0 and Inverse operations


(x-12)=0\\x=12

Set to 0 and Inverse operations


(x+2)=0\\x=-2

Answer:


x=12, -2

User Rafff
by
5.5k points