Question

4x^+24x-28=0? Please help me answer this one ^

Answer 1

${4x}^{2} + 24x - 28 \\ {4x}^{2} - 4x + 28x - 28 \\ 4x(x - 1) + 28(x - 1) \\ (x - 1)(4x + 28)$

$.°. \: \: \: \: \: x = 1 \: \: \: or \: \: - 7$