What is factor 2u^2+9u+7 ?

The solution to factor 2u^2+9u+7 is (u+1)(2u+7)

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factor 2u^2+9u+7

factor

2 u^{2} + 9 u + 7

(u + 1) (2 u + 7)

Solution steps

2 u^{2} + 9 u + 7

Break the expression into groups

= (2 u^{2} + 2 u) + (7 u + 7)

Factor out

2 u

from

2 u^{2} + 2 u : 2 u (u + 1)

Factor out

7

from

7 u + 7 : 7 (u + 1)

= 2 u (u + 1) + 7 (u + 1)

Factor out common term

u + 1

= (u + 1) (2 u + 7)

- x^{2} - 4 x + 5 = 0

∣ x + 6 ∣ = 9

3 x^{2} - 4 x y - 4 y^{2}

(7 x - 2)^{2} = 4

∣ x - 2 ∣ \geq 5