(2x-1)(x+2)
(2x-1)(x+2)
=2x(x+2)-1(x+2)
=2x^2+4x-x+2
=2x^2+3x+2
(2x-1)(x+2) =2x squere+3x-2
To expand the expression (2x-1)(x+2), you can use the distributive property.
First, multiply the first term of the first expression (2x) by each term of the second expression (x and 2). This gives you:
(2x) * (x) = 2x^2
(2x) * (2) = 4x
Next, multiply the second term of the first expression (-1) by each term of the second expression (x and 2). This gives you:
(-1) * (x) = -x
(-1) * (2) = -2
Now, combine all the resulting terms:
2x^2 + 4x - x - 2
Simplify the like terms:
2x^2 + 3x - 2
So, (2x-1)(x+2) expands to 2x^2 + 3x - 2.