What is factor z^2+6z-27 ?

The solution to factor z^2+6z-27 is (z-3)(z+9)

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factor z^2+6z-27

factor

z^{2} + 6 z - 27

(z - 3) (z + 9)

Solution steps

z^{2} + 6 z - 27

Break the expression into groups

= (z^{2} - 3 z) + (9 z - 27)

Factor out

z

from

z^{2} - 3 z : z (z - 3)

Factor out

9

from

9 z - 27 : 9 (z - 3)

= z (z - 3) + 9 (z - 3)

Factor out common term

z - 3

= (z - 3) (z + 9)

\frac{1}{2} (x + 2) - \frac{1}{5} (x - 3) = 1

x^{3} + 1 > x^{2} + x

1500

6 x^{2} \cdot 12 x^{3}

\frac{2 x + 6}{7} < 4