What is factor a^2-4a-45 ?

The solution to factor a^2-4a-45 is (a+5)(a-9)

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factor a^2-4a-45

factor

a^{2} - 4 a - 45

(a + 5) (a - 9)

Solution steps

a^{2} - 4 a - 45

Break the expression into groups

= (a^{2} + 5 a) + (- 9 a - 45)

Factor out

a

from

a^{2} + 5 a : a (a + 5)

Factor out

- 9

from

- 9 a - 45 : - 9 (a + 5)

= a (a + 5) - 9 (a + 5)

Factor out common term

a + 5

= (a + 5) (a - 9)

x + 1 = 2 x + 2

lo g_{3} (16)

\frac{1}{3} (- 6)

(\frac{1}{27})^{\frac{1}{3}}

- 83 g + 8 \leq - 86 g - 23 or g - 92 < 85 g - 30