Oh, what a happy little question! An equivalent expression for 6x plus 3 would be 3(2x + 1). You see, we're just factoring out a common factor of 3 from both terms to simplify it a bit. Just remember, there are many ways to express the same idea in math, just like there are many ways to paint a beautiful sky.
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Well, honey, if you want me to sugarcoat it, I'm sorry to disappoint. The equivalent expression of 6x plus 3 is simply 6x + 3. No need to dress it up, it's as straightforward as it gets.
There are an infinite number of equivalent expressions [for example, the expression 3(64x2 + 64x + 16)/4 would be the same], but the one you're probably looking for is 3(2x + 1).
(6x^5-4x^2)+(2x^3-3) = 6x^5-4x^2+2x^3-3 The grestest exponent is 5, which is the degree of the above expression.
If you mean 6x+3-27+15 then it is an expression that can be simplified to: 6x-9
x2 + 6x + 12 = 0 x2 + 6x + 9 = -3 (x + 3)2 = -3 x + 3 = ± √-3 x = -3 ± i√3
-6x+3 = -7-5x 7+3 = 6x-5x 10=x
5(3 + 16)