What is factor a^2-8a+7 ?

The solution to factor a^2-8a+7 is (a-1)(a-7)

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factor a^2-8a+7

factor

a^{2} - 8 a + 7

(a - 1) (a - 7)

Solution steps

a^{2} - 8 a + 7

Break the expression into groups

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

Factor out

a

from

a^{2} - a : a (a - 1)

Factor out

- 7

from

- 7 a + 7 : - 7 (a - 1)

= a (a - 1) - 7 (a - 1)

Factor out common term

a - 1

= (a - 1) (a - 7)

- 7 + 1

∣ 1 - 2 x ∣ < 9

x^{2} + 2 x + 6 = 0

\frac{2}{7} v + \frac{4}{5} = \frac{6}{5} v - \frac{4}{5}

40 x y + 15 y^{2}