Question

Doprowadź wyrażenia do najprostszej postaci:

a)5(x+2)kwadrat-3(x-3)kwadrat-(x=5)(x-5)=

b)3(2-y)kwadrat+4(y-5)kwadrat=

c)(3y-1)kwadrat-(2y-5)(2y+5)-3y kwadrat=

d) (5a-2)(5a+2)-(3a-1)kwadrat=4a kwadrat=

e)(4b+3)kwadrat -2(b-3)(b+3)-(b-1)kwadrat=

d) 6(y-2)(y+2)+(3y-2)kwadrat -4(y-1)kwadrat=

Answer 1

a)x^2+2x+18

b)7*y^2-52y+112

c)2y^2-6y+26

d)20a^2-6a-3

e)13b^2+26b+26

f)11y^2+2y-24