Question

com fórmulas de bhsakra

x²-17x+72=0​

Answer 1

Delta= b^2+4.a.c
Delta= 17^2+4.1.72
Delta= 289+288
Delta= 577

X=b^2+raiz de delta/2.a
X=17^2+24/2=156

X=b^2-raiz de delta/2.a
X=288-24/2=-132

X=156