Respuesta :

x= 3, and x =-3

1) For the equation below, since it is an incomplete quadratic equation we can solve it in a simpler way

10x²-56=88-6x²

10x²+6x²-56=88-6x²+6x²

16x²-56=88

16x²-56+56=88+56

16x²=144 dividing both sides by 16

x² =9

x = +-√9

x= 3, and x =-3