Question

ecuaciones cuadraticas
6x²-9=70
3x²+24=90
1x²+30=100

Answer 1

6x²-9=70
6x²= 70 +9
X² = 79/6
X = ±√79/6

3x²+24=90
3x² = 90 - 24
X²= 66/3
X = ±√22

1x²+30=100
X² = 100-30
X = ±√70