1. 5x2+13x+6= 2. 2y2-7y+3= 3. 6x2+13x+6= 4. 12a2-26a+10=
Matematika
dininovitri20
Pertanyaan
1. 5x2+13x+6=
2. 2y2-7y+3=
3. 6x2+13x+6=
4. 12a2-26a+10=
2. 2y2-7y+3=
3. 6x2+13x+6=
4. 12a2-26a+10=
1 Jawaban
-
1. Jawaban AWidyaP
1. 5x²+13x+6= (5x+3)(x+2)
5x=-3
x= -3/5 atau x=-2
2. 2y²-7y+3= (2y-1)(y-3)
2y=1 atau y=3
y=1/2
3. 6x²+13x+6 (x2)
12x²+26x+12= (6x+4)(2x+3)
6x=-4 2x=-3
x=-4/6
x=-2/3 atau x=-3/2
4. 12a²-26a+10 (÷2)
6a²-13a+5 = (3a-5)(2a-1)
3a=5 2a=1
a=5/3 atau a=1/2