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4x plus 3 plus 2x is equivalent to expression 6x plus 3.
The coefficient of 3+7d is 7
The coefficients of the unknown variables are 3 and -4 respectively and the given quadratic expression can be factored as (3x-1)(x-1)
The coefficient is the number that multiplies a value. For example, the coefficient of 4x is 4. If n+3 is in brackets in the form (n+3) then the coefficient is one. If not the the coefficient of n is also 1.
It is an expression that can be simplified to 5y+2x-6