x2+11x+30 factorise
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Answer:
given
x²+11x+30
x²+5x+6x+30
x(x+5)+6(x+5)
(x+6)(x+5)
if the value of x²+11x+30 is 0 then
either x+6=0 or x+5=0
x=-6 or x=-5
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