4x^2 + 3
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The value of x in the equation -2 x plus 3 4x-3 is 3.
5+4x-7 = 4x+3-x 4x-2 = 3x+3 4x-3x = 3+2 x = 5
4x + 3 = 47 4x = 47-3 4x = 44 x = 44/4 x = 11
x2 + 4x + 3 = 0 (x + 1)(x + 3) = 0 x ∈ {-3, -1}
4x + 5 < 5x + 3 5 < x + 3 x > 2