Question

64x²-(3-8x)²=87
решить уравнение 7 класс

Answer 1

64x^{2}$64 x^{2} -9-48x+64 x^{2} =87 -57-48x=87 48x=144 x=3 x=$

Answer 2

64x^2-3^2+8^2+x^2=87
64x^2-9+64+x^2=87
64*x^2+x^2=32
2x^2=32^64
2x^2=0.5
x^2=0.25
x^2=0.5^2
x=0.5
Ответ: x=0.5