What is factor 4r^2+9r+5 ?

The solution to factor 4r^2+9r+5 is (r+1)(4r+5)

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factor 4r^2+9r+5

factor

4 r^{2} + 9 r + 5

(r + 1) (4 r + 5)

Solution steps

4 r^{2} + 9 r + 5

Break the expression into groups

= (4 r^{2} + 4 r) + (5 r + 5)

Factor out

4 r

from

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

Factor out

5

from

5 r + 5 : 5 (r + 1)

= 4 r (r + 1) + 5 (r + 1)

Factor out common term

r + 1

= (r + 1) (4 r + 5)

2 x < - 4

x + 1^{2}

2 i + 4 h - 14 = 2 ih

421 \cdot 76

2 x + x = 450