What is (2x-10)^2+6(2x-10)-2 ?

The solution to (2x-10)^2+6(2x-10)-2 is 4x^2-28x+38

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simplify (2x-10)^2+6(2x-10)-2

simplify

(2 x - 10)^{2} + 6 (2 x - 10) - 2

4 x^{2} - 28 x + 38

Solution steps

(2 x - 10)^{2} + 6 (2 x - 10) - 2

Expand

(2 x - 10)^{2} : 4 x^{2} - 40 x + 100

= 4 x^{2} - 40 x + 100 + 6 (2 x - 10) - 2

Expand

6 (2 x - 10) : 12 x - 60

= 4 x^{2} - 40 x + 100 + 12 x - 60 - 2

Group like terms

= 4 x^{2} - 40 x + 12 x + 100 - 60 - 2

Add similar elements:

- 40 x + 12 x = - 28 x

= 4 x^{2} - 28 x + 100 - 60 - 2

Subtract the numbers:

100 - 60 - 2 = 38

= 4 x^{2} - 28 x + 38

64 x^{6} y^{2}

3 lo g_{4} (4)

(2 x^{2} + 7 x + 5) (x - 3)

\frac{1}{( \frac{1}{x - 1} ) - 1}

\frac{- 2}{2 ( 1 )}

What is (2x-10)^2+6(2x-10)-2 ?
The solution to (2x-10)^2+6(2x-10)-2 is 4x^2-28x+38