2/3 +4/6 =
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x2+6x-7 = 0 (x+3)2-7 = 0 (x+3)2-7-9 = 0 (x+3)2 = 16 x+3 = + or - 4 x = - 3 + or - 4 x = 1 or -7
2(3x + 4) + 5x - 2
x2 + 8x - 2 = 0 => x2 + 8x = 2 => x2 + 8x + 16 = 2 + 16 = 18 => (x + 4)2 = 18 => x + 4 = +or- sqrt(18) = +or- 3*sqrt(2) so x = -4 +or- 3*sqrt(2)
-4x + 8 = -4 -4x + 8 - 8 = -4 -8 -4x = -12 -4x/-4 = -12/-4 x = 3
It is x^3 - x^2 + 5x - 1Further Information:-Dividend: 4x^4 -x^3 +17^2 +11x +4Divisor: 4x +3Quotient: x^3 -x^2 +5x -1Remainder: 7