Q:

What is the product? (2 x minus 1)(x + 4) 2 x squared minus 4 2 x squared + 4 2 x squared + 7 x minus 4 2 x squared minus 7 x minus 4

Accepted Solution

A:
The product of the given equation (2x - 1)(x +4) is 2x^{2} +7x -4.What is a quadratic equation?A quadratic equation is the second-order degree algebraic expression in a variable. the standard form of this expression is ax² + bx + c = 0 where a. b are coefficients and x is the variable and c is a constant.The given expression is [tex](2x - 1)(x +4)[/tex]Multiply term by term,[tex]2x \times x + 2x \times 4+ (-1)\times x + (-1)\times 4\\2x^{2} +8x -x -4\\2x^{2} +7x -4[/tex]Thus, The product of the given equation is [tex]2x^{2} +7x -4[/tex].Learn more about quadratic equations;