What is factor z^2+2z-8 ?

The solution to factor z^2+2z-8 is (z-2)(z+4)

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factor z^2+2z-8

factor

z^{2} + 2 z - 8

(z - 2) (z + 4)

Solution steps

z^{2} + 2 z - 8

Break the expression into groups

= (z^{2} - 2 z) + (4 z - 8)

Factor out

z

from

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

Factor out

4

from

4 z - 8 : 4 (z - 2)

= z (z - 2) + 4 (z - 2)

Factor out common term

z - 2

= (z - 2) (z + 4)

7 x^{2} y + 2 x y + 35 x + 10

(\frac{1}{3} x^{- \frac{2}{3}})^{2}

6 x^{2} - 6 x - 1 = 0

\frac{1 + i}{i} - \frac{3}{4 - i}

\frac{7}{4 - 9 i}