Question

solve the following quadratic equationby factorication method.
4x^2-7x-2=0

Answer 1

Answer:

4x

${4x}^{2} - 7x - 2 = 0 \\ 4 {x}^{2} - 8x + x - 2 = 0 \\ 4x(x - 2) + 1(x - 2) = 0 \\ (4x + 1)(x - 2) = 0 \\ x = 2 \: and - 1 \div 4$