factorise x²+ 13x + 42
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Answered by
5
Answer:
= x² +7x + 6x + 42
= x(x+7) + 6(x+7)
= (x+7) (x+6)
= x= -7 x= -6
Answered by
9
x² + 13x + 42
/ \
7x 6x
x (x + 7) + 6 ( x + 7)
( x+7 ) (x+ 6)
this is the answer
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