What is (7z^3+4z-1)+(2z^2-6z+2) ?

The solution to (7z^3+4z-1)+(2z^2-6z+2) is 7z^3+2z^2-2z+1

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simplify (7z^3+4z-1)+(2z^2-6z+2)

simplify

(7 z^{3} + 4 z - 1) + (2 z^{2} - 6 z + 2)

7 z^{3} + 2 z^{2} - 2 z + 1

Solution steps

(7 z^{3} + 4 z - 1) + (2 z^{2} - 6 z + 2)

Simplify

(7 z^{3} + 4 z - 1) + (2 z^{2} - 6 z + 2) : 7 z^{3} + 4 z - 1 + 2 z^{2} - 6 z + 2

= 7 z^{3} + 4 z - 1 + 2 z^{2} - 6 z + 2

Group like terms

= 7 z^{3} + 2 z^{2} + 4 z - 6 z - 1 + 2

Add similar elements:

4 z - 6 z = - 2 z

= 7 z^{3} + 2 z^{2} - 2 z - 1 + 2

Add the numbers:

- 1 + 2 = 1

= 7 z^{3} + 2 z^{2} - 2 z + 1

\frac{11}{- 2}

\frac{1}{x 1 + x} - \frac{1}{x}

2 (3 x + 7)

\frac{6 x ^{2}}{x ( x - 5 )} \cdot \frac{x - 5}{8 ( x + 3 )}

(2 x - 1) 2

What is (7z^3+4z-1)+(2z^2-6z+2) ?
The solution to (7z^3+4z-1)+(2z^2-6z+2) is 7z^3+2z^2-2z+1