hello.... PLEASE solve this 3 fast!!!
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Soñador:
unblock me....
jaldi
I didn't block you...u r a brainly star...
so i can't block u
hey
yo
yooo
yes?
Answers
Answered by
1
1.. 2x
2.. i don't know
3. 4x
2.. i don't know
3. 4x
Answered by
1
solution.
7) |x|+ x^3 = 0
=> x+ x^3= 0
=> x (1+ x^2)= 0
=> 1+ x^2=0
=> x= ±√1
=> x = +1 or -1
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sorry question 8 can't factorise.
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9) x^2+|3| x+2 = 0
=> x^2+ 3x+ 2= 0
=> x^2+ 2x+ x+ 2= 0
=> x(x+2)+1(x+2)= 0
=> (x+1)(x+2) = 0
=> x+1= 0 or, x+2= 0
=> x= -1 or, x = -2
_____________
☺
7) |x|+ x^3 = 0
=> x+ x^3= 0
=> x (1+ x^2)= 0
=> 1+ x^2=0
=> x= ±√1
=> x = +1 or -1
----------------
sorry question 8 can't factorise.
-----------------
9) x^2+|3| x+2 = 0
=> x^2+ 3x+ 2= 0
=> x^2+ 2x+ x+ 2= 0
=> x(x+2)+1(x+2)= 0
=> (x+1)(x+2) = 0
=> x+1= 0 or, x+2= 0
=> x= -1 or, x = -2
_____________
☺
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