factor of y²-17y-84
pls answer my question.
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Answered by
0
Answer:
here is your answer
Step-by-step explanation:
How to solve your question
Your question is
2
−
1
7
−
8
4
y^{2}-17y-84
y2−17y−84
Grouping
1
Use the sum-product pattern
2
−
1
7
−
8
4
y^{2}{\color{#c92786}{-17y}}-84
y2−17y−84
2
+
4
−
2
1
−
8
4
y^{2}+{\color{#c92786}{4y}}{\color{#c92786}{-21y}}-84
y2+4y−21y−84
2
Common factor from the two pairs
2
+
4
−
2
1
−
8
4
y^{2}+4y-21y-84
y2+4y−21y−84
(
+
4
)
−
2
1
(
+
4
)
y(y+4)-21(y+4)
y(y+4)−21(y+4)
3
Rewrite in factored form
(
+
4
)
−
2
1
(
+
4
)
y(y+4)-21(y+4)
y(y+4)−21(y+4)
(
−
2
1
)
(
+
4
)
(y-21)(y+4)
(y−21)(y+4)
Solution
(
−
2
1
)
(
+
4
) hope it helps you....
Answered by
1
i have uploaded the solution
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