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Q: What is 4x squared minus 5x squared plus 2x?

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7x2 -4x -5x2 +2x = 2x2 -2x

(2x-1)(2x-1) = 4x^2 -4x + 1

(2x - 1)(2x + 5)

There is no rational factorisation.

(2x - 9)(2x - 9) or (2x - 9)2

2x(2x - 1)

(4x - 3)(2x + 3)

(2x - 1)(4x + 1)

It is: 4x squared

(2x - 1)(2x + 1)

8x2 + 6x - 9 = 8x2 + 12x - 6x - 9 = 4x(2x + 3) - 3(2x + 3) = (2x + 3)(4x - 3)

8x^2 + 6x - 5 = 8x^2 + 10x - 4x - 5 = 2x * (4x + 5) - (4x + 5) = (2x -1) * (4x + 5)

4x2 - 9 = (2x + 3)(2x - 3)

The derivative of 2x2 + 4x + 8 is 4x+4.

It equals 53X- a number is squared when it is multiplied by itself, so 7X by 7X = 49X. 2X by 2X =4X, so 49X + 4X is 53X.

(2x+3)(2x+4)

(2x + 1)(2x + 1) or (2x + 1)2 so x = -0.5

(4x-8)(2x+2)

4x + 20

4x2 - 12x + 9 = 4x2 - 6x - 6x + 9 = 2x(2x - 3) - 3(2x - 3) = (2x - 3)(2x - 3) or (2x - 3)2

3x - 5x + 4x = -2x +4x = 2x

OK. 4x2 + 4x + 1 = (2x + 1)2

(2x - 3)(2x - 3)

4x3+10x2-6x 2x(2x2+5x-3) 2x(2x-1)(x+3)

x - 2