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Q: Simplify 3x2 plus 2x - 8?

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Simplify 4x + 3 = 2x + 8 2x = 5 x =2½

It is 16y+23x simplified

(3x - 30)(x + 8) can also simplify to 3(x - 10)(x + 8)

6x - 8 + 2x - 5 = 7 - 2x ?

5x-8= -2x+6(+8 = +8)5x=-2x+14(+2x = +2x)7x=14x=14

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if you rearrange it, it becomes 4y + 8 = 3x2 -2x +1 4y = 3x2 -2x -7 y= (3x2 -2x -7)/4 which is a parabola

3x2 + 2x - 8 = 0 is a quadratic equation.

Simplify 4x + 3 = 2x + 8 2x = 5 x =2½

3x2 + 2x - 8 = 3x2 + 6x - 4x - 8 = 3x(x+2) - 4(x+2) = (3x-4)*(x+2)

3x2 + 2x = 16 ∴ 3x2 + 2x - 16 = 0 ∴ 3x2 - 6x + 8x - 16 = 0 ∴ 3x(x - 2) + 8(x - 2) = 0 ∴ (3x + 8)(x - 2) = 0 ∴ x ∈ {-8/3, 2}

2x + 8 + x = 2x + 15 simplify 2x to both sides since they have the same sign8 + x = 15 subtract 8 to both sidesx = 7

It is 16y+23x simplified

(3x+4)(x-2) 3x2 -6x+4x-8 3x2-2x-8

(3x + 4)(x - 2)

3x2-2x-8 = (3x+4)(x-2) when factored

3x2 + 48 + 192 = 3x2 + 240 = 3 (x2+ 80)

(3x+4)(x-2)

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