What is (4a^3-3a-8)-(a-5) ?

The solution to (4a^3-3a-8)-(a-5) is 4a^3-4a-3

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simplify (4a^3-3a-8)-(a-5)

simplify

(4 a^{3} - 3 a - 8) - (a - 5)

4 a^{3} - 4 a - 3

Solution steps

(4 a^{3} - 3 a - 8) - (a - 5)

Apply rule:

(a) = a

(4 a^{3} - 3 a - 8) = 4 a^{3} - 3 a - 8

= 4 a^{3} - 3 a - 8 - (a - 5)

Apply the distributive law:

- (a - b) = - a + b

- (a - 5) = - a + 5

= 4 a^{3} - 3 a - 8 - a + 5

Group like terms

= 4 a^{3} - 3 a - a - 8 + 5

Add similar elements:

- 3 a - a = - 4 a

= 4 a^{3} - 4 a - 8 + 5

Add the numbers:

- 8 + 5 = - 3

= 4 a^{3} - 4 a - 3

- 2^{8}

30 \div 3

ln (e^{0})

x^{2} + 3 x + \frac{9}{4}

3.14 \cdot 6^{2}