Question

Solve this with your work shown. (50 POINTS.)​

Answer 1

Explanation:

1) x²- 2x - 8

= x² - 4x + 2x - 8

= ( x - 4 )(x-2)

2) 4s² - 4s +1

= (2s)² - 2*2*s + 1²

= ( 2s + 1)²

In similar way you can factor out the other expressions .

Answer 2

top problems:

1-) x²-2x-8

(x-4)(x+2)

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2-) 4s²-4s+1

(2s-1)²

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3-) 6x²-3-7x

(2x-3)(3x+1)

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4-) 4u²+8u

4u(u+2)

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5-) t²-15

2t

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6-) 3x²-x-4

(3x-4)(x+1)

bottom problems:

1-)
`(1)/(4),-1`

y=x²+
`(3x)/(4)-(1)/(4)`

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2-)
`√(2),(1)/(3)`

y=x²-
`(x)/(3)-√(2)x+(√(2) )/(3)`

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3-) 0, √5

y=x²-x√5

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4-) 1,1

y= x²-2x+1

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5-)
`-(1)/(4), (1)/(4)`

y=x²-
`(1)/(16)`

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6-) 4,1

y=x²-5x+4