X - 1/5=1/2 what's x?
2 answers:
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The solution to the quadratic equation 3x² + 8x - 10 by using the quadratic formula is x = 0.927 or -3.594
<h3>Solving quadratic equations.</h3>Quadratic equations are algebraic expressions that are represented in the power of the second degree. They usually take the form ax² + bx + c
From the given information, we are to solve the quadratic equation:
- 3x² + 8x - 10
Using the quadratic formula:
where:
- a = 3
- b = + 8
- c = - 10
x = 0.927 or -3.594
Learn more about solving quadratic equations here:
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Answer:
(4 - )(16 + 4
+
)
Step-by-step explanation:
64 - ← is a difference of cubes and factors in general as
a³ - b³ = (a - b)(a² + ab + b²), thus
64 -
= 4³ - ( )³
= (4 - )(4² + 4
+ (
)² )
= (4 - )(16 + 4
+
)