Tolong jawab nomor 2 - 5 ya
Matematika
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Pertanyaan
Tolong jawab nomor 2 - 5 ya
1 Jawaban
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1. Jawaban emafitriani
2. 8√90 : 6√5
= 8√9.√10
6√5
= 24 √10 x 6√5
6√5 6√5
= 144 √50
180
= 144.√25.√2
180
= 720√2 / 180
= 4√2
3. = √3 x √5
√5 √5
= √15/5
4. x² - 7x + 10
=
5. 2x²+5x+3 = 0
(2x+3)(x+1) = 0
* 2x+3 =0 * x+1 =0
x = -3/2 x = -1