The expression or equation for the phrase; Forty-two is one less than the product of four and a number; is; 42 + 1 = 4x.
What is the expression for the phrase given in the task content?
It follows from the task content that the word phrase which is to be written in mathematical form is; Forty-two is one less than the product of four and a number.
It follows that the required mathematical expression is;
42 + 1 = 4x
where the unknown number is represented by x.
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