# mathsWatch

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#1
write x2+10x+2 in the form(x+a)2+b where a and b are integers.

I do not understand this.
0
4 weeks ago
#2
Completing the square:
https://youtu.be/lS0ork9JvSc
0
4 weeks ago
#3
You have to half the 10x when putting it in a bracket and then when you expanded (x+5)(x+5) you get x^2+10x+25 and to get to +2, you must subtract 23. Hope this helps!
Last edited by clarecassar; 4 weeks ago
0
#4
(Original post by clarecassar)
You have to half the 10x when putting it in a bracket and then when you expanded (x+5)(x+5) you get x^2+10x+25 and to get to +2, you must subtract 23. Hope this helps!
Thank you.
0
#5
(Original post by AGrizzlyBearo)
Completing the square:
https://youtu.be/lS0ork9JvSc
Thank you
0
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