Reduktion af algebraiske udtryk

> a) 8 x-(2+3 x)+2;

"(=)"

5 x

> b) -5(2 x+16);

"(=)"

-10 x - 80

> c) X(2 X+8)-2(X^2-5);

"(=)"

2

X(2 X + 8) - 2 X + 10

> d) -5(5 x+3)-(-6 x-3);

"(=)"

-19 x - 12

> e) 4 a(5+2 a)+3(4-7 a);

"(=)"

4 a(5 + 2 a) + 12 - 21 a

> f) -x(3+2 x)-2(-x^2+2 x);

"(=)"

2

-x(3 + 2 x) + 2 x - 4 x

> g) (6 x+4 y)(2 x-y)-4 x(3 x+2);

"(=)"

6 x(2 x - y) + 4 y(2 x - y) - 4 x(3 x + 2)

> h) -(12 a-3)(4 b+1)+(6 a-3)(8 b+2);

"(=)"

-12 a(4 b + 1) + 6 a(8 b + 2)

> i) (14 a-30)(6 a+8)+(2 a+8)(9 a+6);

"(=)"

14 a(6 a + 8) - 22 + 2 a(9 a + 6)

> j) (6 x+y)(4 x-y)-(3 y+2)(8 x+5);

"(=)"

6 x(4 x - y) + y(4 x - y) - 3 y(8 x + 5) - 2

> k) (x-3)^2;

"(=)"

2

(x - 3)

> l) (-x-1)^2;

"(=)"

2

(x + 1)

> m) -(x+2)^2;

"(=)"

2

-(x + 2)

> n) -(-2-x)^2;

"(=)"

2

-(x + 2)