What is factor a^2+3a-40 ?

The solution to factor a^2+3a-40 is (a-5)(a+8)

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

factor a^2+3a-40

factor

a^{2} + 3 a - 40

(a - 5) (a + 8)

Solution steps

a^{2} + 3 a - 40

Break the expression into groups

= (a^{2} - 5 a) + (8 a - 40)

Factor out

a

from

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

Factor out

8

from

8 a - 40 : 8 (a - 5)

= a (a - 5) + 8 (a - 5)

Factor out common term

a - 5

= (a - 5) (a + 8)

(x - 2) (x - 4) = 0

8 x^{5} y^{3} + 32 x^{2} y^{8} - 64 x^{4} y^{2}

x (x + 2) = 5 (x + x + 2) - 1

π \cdot 3^{2}

3 - 2 x = 7 + 3 x