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Q: What is 5x2 plus 21x4?

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

7x(3x3 - 2x2 + 5x + 1)

5x2 + 9x + 4 = (x + 1)(5x + 4).

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

-1

Assuming that the 2 in "5x2" is a power (5x2), then no, this is not a linear equation. It is a parabolic equation.

3

The answer is 37.

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

10x3 + 3x2

5x2-18x+9 = (5x-3)(x-3)

= 5x2+70-16+9x-2 = 5x2+9x+52 = 5x2+9x1+52 This implies coefficient of degree 1 is 9. Ans.

5x2 - 20xy + 10y2 = 5(x2 - 4xy + 2y2) which cannot be simplified into rational factors.

(x + 2)(5x + 13)

(5x - 3)(x + 8)

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

5x2 + 20x = 5x (x + 4)

5x2 + 16x + 12 = (5x + 6)(x + 2)

The GCF is 5x2

It is 4x^2 + 10x - 1

All six of them

x(5x + 7)

5x(x+3)

It is -10.

84