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Q: How do you factor 5x2 - 4x?

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(x + 1)(5x - 1)

-5x2+9x-4 -5x2+9x+-4 Factors of -20 that add to equal 9 are -5 and-4 -5x2+5x+4x+-4 -5x(1x+1) + 4x(1+-1x)

(x + 3)(3x^2 - 4x + 6)

By splitting the Middle Term, 5X2 + 25X + 4X +20 5X(X+5) + 4(X+5) (5X+4)(X+5)

As written, -5x + 9x = 4x 4x - 4 = 4(x - 1) If that's -5x2 + 9x - 4, that factors to -(x - 1)(5x - 4)

5x2 - 14x + 8 = 5x2 - 10x - 4x + 8 = 5x(x-2) - 4(x-2) = (5x-4)*(x-2)

5x2 + 3x - 1 does not have rational factors.

If you mean: 5x2 + 10x + 40 Then the only factoring you can do is to divide it by five: 5(x2 + 2x + 8) beyond which it can not be factored. If on the other hand you mean: 5x2 + 10x - 40 Then you can factor it out as follows: 5x2 + 10x - 40 = 5(x2 + 2x - 8) = 5(x2 - 2x + 4x - 8) = 5(x(x - 2) + 4(x - 2)) = 5(x + 4)(x - 2)

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

5x2 + 9x + 13 has no real factors.

4X^2 - 8X factor out 4X 4X(X - 2)

5x2-46x+9 = (5x-1)(x-9)

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