7x²+23x+6=0
=> (7x+2)(x+3)=0
X1= -2/7 X2= -3
a= -2/7 b= -3
maka 7a-2b = 7(-2/7) - 2(-3)
= -2 + 6
= 4
semoga membantu
Jawaban:
7a-2b=?
7(-2/7)-2(-3)= 4
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7x²+23x+6=0
=> (7x+2)(x+3)=0
X1= -2/7 X2= -3
a= -2/7 b= -3
maka 7a-2b = 7(-2/7) - 2(-3)
= -2 + 6
= 4
semoga membantu
Jawaban:
7a-2b=?
7(-2/7)-2(-3)= 4