Reagan650
05.12.2019 •
Mathematics
Write in factored form:
3x^2-20=+7x
a: (3x-5)(x+4)=0
b: 3(x+5)(x-4)=0
c: (3x-7)(x-20)=0
d: 3x=5)(x-4)=0
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Ответ:
( 3x + 5 ) ( x - 4 )
Step-by-step explanation:
1.) Factors of 20 = (1,20) (2,10) and (4,5)
2.) ( 3x + 5 ) ( x - 4 )
3.) 3x - 12x + 5x - 20 = 0
4.) 3x^2 + 7x - 20 = 0
Ответ:
it is 5
Step-by-step explanation: