What is (3b^2+4b-5)+(5+4b^2-8b) ?

The solution to (3b^2+4b-5)+(5+4b^2-8b) is 7b^2-4b

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simplify (3b^2+4b-5)+(5+4b^2-8b)

simplify

(3 b^{2} + 4 b - 5) + (5 + 4 b^{2} - 8 b)

7 b^{2} - 4 b

Solution steps

(3 b^{2} + 4 b - 5) + (5 + 4 b^{2} - 8 b)

Simplify

(3 b^{2} + 4 b - 5) + (5 + 4 b^{2} - 8 b) : 3 b^{2} + 4 b - 5 + 5 + 4 b^{2} - 8 b

= 3 b^{2} + 4 b - 5 + 5 + 4 b^{2} - 8 b

Group like terms

= 3 b^{2} + 4 b^{2} + 4 b - 8 b - 5 + 5

Add similar elements:

3 b^{2} + 4 b^{2} = 7 b^{2}

= 7 b^{2} + 4 b - 8 b - 5 + 5

Add similar elements:

4 b - 8 b = - 4 b

= 7 b^{2} - 4 b - 5 + 5

Add the numbers:

- 5 + 5 = 0

= 7 b^{2} - 4 b

tan (a) + \frac{1}{tan ( a )}

\frac{r ^{1} + r ^{2} + r ^{3} + r ^{4} + r ^{5}}{5}

6 x^{4} - 11 x^{3} - 6 x^{2} + 9 x - 2

\frac{( 7 x ^{2} \cdot x \cdot ( x y ) ^{6} )}{( x ^{9} \cdot y ^{3} )}

cos (t) (3)^{\frac{1}{2}}

What is (3b^2+4b-5)+(5+4b^2-8b) ?
The solution to (3b^2+4b-5)+(5+4b^2-8b) is 7b^2-4b