factorise x^2 +18x+80
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x^2+18x+80
(Splitting The Middle Term: 10x + 8x)
Therefore, x^2 + 10x + 8x + 80
= x(x+ 10) + 8(x+10)
= (x+10) (x+8)
(Splitting The Middle Term: 10x + 8x)
Therefore, x^2 + 10x + 8x + 80
= x(x+ 10) + 8(x+10)
= (x+10) (x+8)
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