((-1)+8)^2×(3-2)-9^2

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`x`²	`x`^□	log_□	√☐	^□√☐	≤	≥	□□	·	÷	`x`^◦	π
(☐)^′	`ddx`	∂∂`x`	∫	∫_□^□	lim	∑	∞	`θ`	(`f` ◦ `g`)	`f`(`x`)

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x²−12 x−316 =0

Solution

x=34 , x=−14

Decimal

x=0.75, x=−0.25

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Solve by:

Quadratic formula

Completing the square

Factoring method

One step at a time

x²−12 x−316 =0

Find Least Common Multiplier of 2, 16: 16

Multiply by LCM=16

x²· 16−12 x· 16−316 · 16=0· 16

Simplify

16x²−8x−3=0

Solve with the quadratic formula

x_{1, 2}=−(−8)± √(−8)²−4· 16(−3)2· 16

√(−8)²−4· 16(−3)=16

x_{1, 2}=−(−8)± 162· 16

Separate the solutions

x₁=−(−8)+162· 16 , x₂=−(−8)−162· 16

x=−(−8)+162· 16 : 34

x=−(−8)−162· 16 : −14

The solutions to the quadratic equation are:

x=34 , x=−14

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−▭▭	<	7	8	9	÷	`AC`
+▭▭	>	4	5	6	×	☐☐☐
×▭▭	(	1	2	3	−	`x`
▭ \|▭	)	.	0	=	+	`y`

((-1)+8)^2×(3-2)-9^2

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