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

The solution to simplify-(3z^2+4z)-(6z^2-2) is -9z^2-4z+2

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

simplify

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

- 9 z^{2} - 4 z + 2

Solution steps

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

- (3 z^{2} + 4 z) = - 3 z^{2} - 4 z

- (6 z^{2} - 2) = - 6 z^{2} + 2

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

Group like terms

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

Add similar elements:

- 3 z^{2} - 6 z^{2} = - 9 z^{2}

= - 9 z^{2} - 4 z + 2

[(2 x)^{- 1} + (2 y)^{- 1}]^{- 1}

(x^{3} + 5)^{3} + 5

(7 x + 8)^{2}

(x^{8} - x^{4})^{3}

- 16 \cdot 9

What is simplify-(3z^2+4z)-(6z^2-2) ?
The solution to simplify-(3z^2+4z)-(6z^2-2) is -9z^2-4z+2