What is factor u^2-6u-7 ?

The solution to factor u^2-6u-7 is (u+1)(u-7)

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factor u^2-6u-7

factor

u^{2} - 6 u - 7

(u + 1) (u - 7)

Solution steps

u^{2} - 6 u - 7

Break the expression into groups

= (u^{2} + u) + (- 7 u - 7)

Factor out

u

from

u^{2} + u : u (u + 1)

Factor out

- 7

from

- 7 u - 7 : - 7 (u + 1)

= u (u + 1) - 7 (u + 1)

Factor out common term

u + 1

= (u + 1) (u - 7)

7 w + 4 - 3 w = 15

s^{2} + 10 s + 21 = 0

\frac{( \frac{1}{2} ) ^{2}}{2}

0.2 5^{2}

lo g_{12} (3) + 2 lo g_{12} (2)