What is (2x-11)^2+2(2x-11)-15 ?

The solution to (2x-11)^2+2(2x-11)-15 is 4x^2-40x+84

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simplify (2x-11)^2+2(2x-11)-15

simplify

(2 x - 11)^{2} + 2 (2 x - 11) - 15

4 x^{2} - 40 x + 84

Solution steps

(2 x - 11)^{2} + 2 (2 x - 11) - 15

Expand

(2 x - 11)^{2} : 4 x^{2} - 44 x + 121

= 4 x^{2} - 44 x + 121 + 2 (2 x - 11) - 15

Expand

2 (2 x - 11) : 4 x - 22

= 4 x^{2} - 44 x + 121 + 4 x - 22 - 15

Group like terms

= 4 x^{2} - 44 x + 4 x + 121 - 22 - 15

Add similar elements:

- 44 x + 4 x = - 40 x

= 4 x^{2} - 40 x + 121 - 22 - 15

Subtract the numbers:

121 - 22 - 15 = 84

= 4 x^{2} - 40 x + 84

26 \cdot 24

i^{7} + i^{5} + i^{3} + i

\frac{- 3}{- 7}

x^{- 6} \cdot x^{12}

9 x - 3 x yz + y + 7 x + 5

What is (2x-11)^2+2(2x-11)-15 ?
The solution to (2x-11)^2+2(2x-11)-15 is 4x^2-40x+84