(ix) x2 + ax + b = 0
Answers
Answered by
1
Explanation:
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Answered by
0
Answer:
Let's solve for a.
x2+ax+b=0
Step 1: Add -x^2 to both sides.
ax+x2+b+−x2=0+−x2
ax+b=−x2
Step 2: Add -b to both sides.
ax+b+−b=−x2+−b
ax=−x2−b
Step 3: Divide both sides by x.
ax
x
=
−x2−b
x
a=
−x2−b
x
a=
−x2−b
x
Let's solve for b.
x2+ax+b=0
Step 1: Add -ax to both sides.
ax+x2+b+−ax=0+−ax
x2+b=−ax
Step 2: Add -x^2 to both sides.
x2+b+−x2=−ax+−x2
b=−ax−x2
Answer:
b=−ax−x2
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