Question

256 – y²=0

3600 – b²=0

a² – 4900 = 0

12100 – b² = 0
решить уравнение

Answer 1

y^2=256
y=16 или y=-16

b^2=3600
b=60 или b=-60

a^2=4900
a=70 или a=-70

b^2=12100
b=110 или b=-110

Answer 2

$256-y^2=0 \ (16-y)(16+y)=0 \ y=16 \ y=-16$

$3600-b^2=0 \ (60-b)(60+b)=0 \ b=60 \ b=-60$

$a^2-4900=0 \ (a-70)(a+70)=0 \ a=70 \ a=-70$

$12100-b^2=0 \ (110-b)(110+b)=0 \ b=110 \ b=-110$