3 years ago

Order the steps to solve the equation log(x2 - 15) = log(2x) form 1 to 5.

1 answer:

lawyer [7]3 years ago

5 0

Step 1: x²-15=2x
step 2: x²-2x-15=0
step 3: (x-5)(x+3)=0
step 4: x-5=0 or x+3=0
step 5: x=5 of x=-3

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