Question

Bantuin jawabya, tolongg

Answer 1

2x(x+2) - (x-4)(x+3) = 0
2x² + 4x - (x² -x -12) = 0
2x² + 4x - x² + x + 12 = 0
x²+ 5x + 12 = 0
a= 1, b = 5, c = 12
jumlah akar akar nya = x1 + x2 = -b/a = - 5
hasil kali = x1x2 = c/a = 12