XxSn1p3G0dxX
XxSn1p3G0dxX
30-03-2020
Mathematics
contestada
PLEASEEEEEEEEEEEE HELP?!
Respuesta :
owiso
owiso
30-03-2020
Answer:
=x²_7x+10
Step-by-step explanation
number 2
[x-2][x-5]
x[x_5]_2[x_5]=
[x²-5x-2x+10]=
=x²_7x+10
number3
x²+6x+5
sum=6
product=5
factors=[1,5]
x+1=0
x=_1
x+5=0
x=_5
number 4
simultaneous equation
x+y=4
x+4y=7
[
_3y=_3] divide both side by negative 3 to get Y as 1
equate 1 to x+y=4 to get X as 3
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