The square of a binomial expands as follows:
Expanding all the binomials, we have
Sum like terms:
Simplify terms appearing on both sides:
Move all terms involving k to the left and all numbers to the right:
Divide both sides by -20:
a first number is 6 more than a second number. the first number multiplied by 2 is 8 more than the second number. what are the t
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