v 5x - 4 x square + 3 a t t1) 4 x square - 3 x -1 (2) 3 x square + 4 x -4 (3) 5x square + 12 x + 7 (4) t cube -2t squared -15t Choose the correct answer the syllable of has been promoted to a 'beat' position between two other unstressed syllables; this does not mean, though, that it should be heavily stressed in reading aloud. Where promotion occurs on the last syllable of an iambic line, it sometimes produces a weak ending.the syllable of has been promoted to a 'beat' position between two other unstressed syllables; this does not mean, though, that it should be heavily stressed in reading aloud. Where promotion occurs on the last syllable of an iambic line, it sometimes produces a weak ending.
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Answers & Comments
Answer:
Step-by-step explanation:
i)
x
1
−
x−3
1
⇒x−3−x=3x
2
−9x
⇒3x
2
−9x+3=0
⇒x=
2(3)
9±
81−36
⇒x=
6
9+
4
5
,
6
4−
4
5
ii) x
2
−3x+1=0
x=
2
3±
9−4
x=
2
3+
5
,
2
3−
5
iii) 3x
2
+2
5
x−5=0
x=
2(3)
2
5
±
20+60
x=
5
,
3
−5
5
iv)
3
x
2
+2
5
x−5=0
D≡4−3(4)<0 No x∈
/
R
v) (x+2)(x+4)+2(x+1)(x+4)=4(x+1)(x+2)
⇒x
2
−4x−8=0
x=
2
4±
16+32
x=2+8
3
,2−8
3
vi)
2
x
2
+7x+5
2
=0
x=
2
2
−7±
49−40
x=−
2
,
2
−5
Answer:
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