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Two-Digit Divisor in Long Division. Two-Digit Divisor in Long Division. This is a complete lesson with examples and exercises about two-digit divisor in long division, meant for initial teaching in 5th grade.
Answer:
x=5 and 3
Step-by-step explanation:
x^2-8x+21=6
x^2-8x+21+16=6+16
(x-4)^2=1
(x-4)=±1, x=5 and 3