Question

find the zeroes of polynomial x2+5x-14?

Answer 1

${x}^{2} + 5x - 14 = 0 \\ {x}^{2} + 7x - 2x - 14 = 0 \\ x(x + 7) -2(x + 7) = 0 \\ (x - 2)(x + 7) = 0 \\ \\ \\ x= 2 \: or \: x = - 7$

Answer 2

this is the answer this method is called splitting the middle terms