12x*2 - 19x - 21
find the zeros of the polynomial
Answers
Answered by
0
Answer:
Zeroes of the polynomial
7/3 and - 3/4
Step-by-step explanation:
12x²-19x-21=0
12x²+9x-28x-21=0
3x(4x+3)-7(4x+3)=0
(3x-7)(4x+3)=0
3x-7=0
X=7/3
4x+3=0
X=-3/4
Answered by
0
Answer:
the zeros of the polynomial is -4/3 and 7/3
Step-by-step explanation:
12x*2-19x-21
=12x*2-28x+9x-21
=4x(3x-7)+3(3x-7)
=(4x+3)(3x-7)
4x+3=0 3x-7=0
4x=-3 3x=7
x=-4/3 x=7/3
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