Factorise : Y² + 22y +121
Answers
Answered by
1
Answer:
y = -11
Step-by-step explanation:
let y² + 22y + 121 = 0
=> y² + 11y + 11y + 121 = 0
=> y(y + 11) + 11(y + 11) = 0
=> (y + 11)(y + 11) = 0
=> y = -11, - 11
Answered by
1
Y^2+2(11y)+(11y)+11^2
=y(y+11)+11(y+11)
=y+11
=y(y+11)+11(y+11)
=y+11
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