What is factor x^2-1x-42 ?

The solution to factor x^2-1x-42 is (x+6)(x-7)

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factor x^2-1x-42

factor

x^{2} - 1 x - 42

(x + 6) (x - 7)

Solution steps

x^{2} - 1 \cdot x - 42

Break the expression into groups

= (x^{2} + 6 x) + (- 7 x - 42)

Factor out

x

from

x^{2} + 6 x : x (x + 6)

Factor out

- 7

from

- 7 x - 42 : - 7 (x + 6)

= x (x + 6) - 7 (x + 6)

Factor out common term

x + 6

= (x + 6) (x - 7)

x + 1.8 = 3.4

\frac{7}{81}

x^{2} - 4 x + 53 = 0

\frac{- 18 a ^{7} b ^{3} + 9 a ^{4} b ^{2} - 63 a ^{2} b}{9 ab}

\frac{1}{3} x = 2 - \frac{2}{3} x