1. Solve for x: (a+b)x+8a-b*x+16/a-b?=0 Ans: x=4ab
a+b
2
find the othe
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Answer:
answer. is. 4ab
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ANSWER
ax+bx-bx+8a+16/a-b=0
a²x-abx+8a²-8b+16=0
(a²-ab)x+(8a²-8b)+16=0
where a=a²-ab, b=8a²-8b, c=16
using the formula
DISC=b²-4ac
=(8a²-8b)²-4(a²-ab)(16)
after using formula of whole square
=x²-16a²b²
for perfect squaredisc must be zero
so
x²-16a²b²=0
x²=16a²b²
after taking sqrt on both sides we get
x=4ab
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