What is 7x^2-4xy+8y^2-11x^2+7xy-10y^2 ?

The solution to 7x^2-4xy+8y^2-11x^2+7xy-10y^2 is -4x^2+3xy-2y^2

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simplify 7x^2-4xy+8y^2-11x^2+7xy-10y^2

simplify

7 x^{2} - 4 x y + 8 y^{2} - 11 x^{2} + 7 x y - 10 y^{2}

- 4 x^{2} + 3 x y - 2 y^{2}

Solution steps

7 x^{2} - 4 x y + 8 y^{2} - 11 x^{2} + 7 x y - 10 y^{2}

Group like terms

= 7 x^{2} - 11 x^{2} - 4 x y + 7 x y + 8 y^{2} - 10 y^{2}

Add similar elements:

7 x^{2} - 11 x^{2} = - 4 x^{2}

= - 4 x^{2} - 4 x y + 7 x y + 8 y^{2} - 10 y^{2}

Add similar elements:

- 4 x y + 7 x y = 3 x y

= - 4 x^{2} + 3 x y + 8 y^{2} - 10 y^{2}

Add similar elements:

8 y^{2} - 10 y^{2} = - 2 y^{2}

= - 4 x^{2} + 3 x y - 2 y^{2}

x^{2} + 12 x + 36 = 25

\frac{9 + 4 i}{- 8 - 8 i}

\frac{5}{2} \cdot 2

5 x^{2} + 15 x - 140 = 0

∣ a ∣ \leq 5

What is 7x^2-4xy+8y^2-11x^2+7xy-10y^2 ?
The solution to 7x^2-4xy+8y^2-11x^2+7xy-10y^2 is -4x^2+3xy-2y^2