solve the following quadratic equation by equations x^2-18x+77=0
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Answer:
x=7 and x=11
Step-by-step explanation:
x^2-18x+77=0
x^2-11x-7x+77=0
x(x-11)-7(x-11)=0
(x-7)(x-11)=0
x=7
x=11
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