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what is the answer of (x+1)² + (x-3)²=15​

Sagot :

Step-by-step explanation:

PA FOLLOW PO AND PA BRAILIEST NADIN PO

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Answer:

foil (x+1)^2 and (x-3)^2 first,

x^2+2x+2 and x^2-6x+9

x^2+2x+2 + x^2-6x+9=15 combine like terms

2x^2-4x+11=15 transpose 15 to the left side

2x^2-4x-4=0 rhe roots are

(x+0.7320)(x-2.7320)

x= -0.7320 and x= 2.7320

well more technically this is the decimal values of that do note that the roots are imaginary