x^2-19x+84 please solve the question
Answers
Answered by
0
Answer:
the value of x can be 12 Or 7
Step-by-step explanation:
x^2-19x +84
= x^2-12x-7x+84
= x(x-12) - 7(x-12)
= (x-12) (x-7) =0
x-12=0 x-7=0
x=12 x= 7
Answered by
0
Step-by-step explanation:
a=1
b=-19
c=84
X= -b+or-✓b^2- 4ac/2a
=19+-✓(19)^2-4×1×84/2×1
=19+-✓361-336/2
=19+-✓25/2
=19+-5/2
=19+5/2. or. 19-5/2
=24/2. or. 14/2
=12. or. 7
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