Answer:
B
Step-by-step explanation:
since:
(x−3)(x−4)=0
Step 1: Simplify both sides of the equation.
x2−7x+12=0
For this equation: a=1, b=-7, c=12
1x2+−7x+12=0
Step 2: Use quadratic formula with a=1, b=-7, c=12.
x=
−b±√b2−4ac
2a
−(−7)±√(−7)2−4(1)(12)
2(1)
7±√1
2
x=4 or x=3
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Answers & Comments
Answer:
B
Step-by-step explanation:
since:
(x−3)(x−4)=0
Step 1: Simplify both sides of the equation.
x2−7x+12=0
For this equation: a=1, b=-7, c=12
1x2+−7x+12=0
Step 2: Use quadratic formula with a=1, b=-7, c=12.
x=
−b±√b2−4ac
2a
x=
−(−7)±√(−7)2−4(1)(12)
2(1)
x=
7±√1
2
x=4 or x=3