What is factor 5z^2+19z-4 ?

The solution to factor 5z^2+19z-4 is (5z-1)(z+4)

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factor 5z^2+19z-4

factor

5 z^{2} + 19 z - 4

(5 z - 1) (z + 4)

Solution steps

5 z^{2} + 19 z - 4

Break the expression into groups

= (5 z^{2} - z) + (20 z - 4)

Factor out

z

from

5 z^{2} - z : z (5 z - 1)

Factor out

4

from

20 z - 4 : 4 (5 z - 1)

= z (5 z - 1) + 4 (5 z - 1)

Factor out common term

5 z - 1

= (5 z - 1) (z + 4)

- 15 \leq 2 x + 7 \leq - 9

- 5 x + 2 + 2 x + 4 = - 3 x + 8

ab - ab c + ab c d - ab c d e

5 x = 8 x - 15

3 a^{4} + 81 a