What is factor 4x^2+20x+9 ?

The solution to factor 4x^2+20x+9 is (2x+1)(2x+9)

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factor 4x^2+20x+9

factor

4 x^{2} + 20 x + 9

(2 x + 1) (2 x + 9)

Solution steps

4 x^{2} + 20 x + 9

Break the expression into groups

= (4 x^{2} + 2 x) + (18 x + 9)

Factor out

2 x

from

4 x^{2} + 2 x : 2 x (2 x + 1)

Factor out

9

from

18 x + 9 : 9 (2 x + 1)

= 2 x (2 x + 1) + 9 (2 x + 1)

Factor out common term

2 x + 1

= (2 x + 1) (2 x + 9)

c^{2} + 7 c + 12

16 x^{2} - 22 x + 5 = 2 x

2^{\frac{5}{2}}

16 = - 2 x

(4 - 5 x)^{3} - 7 (4 - 5 x)^{2} (x + 1)