Complete the following activity to solve the quadratic equation x ^ 2 - 10x - 24 = 0 using formula method.
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Value of x is -2 and 12
Step-by-step explanation:
We know that for equation ax²+bx+c=0
x={-b±√(b²-4ac)}\2a
Given equation is x²-10x-24=0
∴x =[ -(-10)±√{100-(4×1×-24)}/2
=(10±√196)/2
=(10±14)/2
= -2 or 12
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