factorise x²+14x+24
please help me
explain it in short
Answers
Answered by
2
Step-by-step explanation:
x² + 14x + 24
=> x² + 12x + 2x + 24
=> x (x + 12) + 2 (x + 12)
=> (x + 12)(x + 2)
So,
the factorisation is (x + 12)(x + 2)
Hope it helps.
Answered by
1
Answer:
x²+ 14x+24
x²+12x+2x+24. {Just splitting 14 into 12 & 2}
x(x+12)+2(x+12)
(x+12) (x+2)
So, your polynomial is factorised ,as shown above.
To know the value of x--
Put (x+12) =0
x= -12
Put (x+2)=0
x= -2
So.value of x is -12 or -2
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