Question

Soles (x+1) (x+3) (x+3)(x+4)=120​

Answer 1

(x+1) (x+2) (x+3) (x+4) = 120

x ( 1 + 2 + 3 + 4 ) = 120

x × 10 = 120

x = 120 / 10

x = 12

12 is your answer

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Answer 2

Answer:

plz mark as brainliest

Step-by-step explanation:

opening the brackets,

(x²+3x+x+3)(x²+4x+3x+12)=120

x⁴+4x³+3x³+12x²+3x³+12x²+9x²+36x+x³+4x²+3x²+12x+3x²+12x+9x+36=120

x⁴+4x³+3x³+3x³+x³+12x²+12x²+9x²+4x²+3x²+3x²+36x+12x+12x+9x=120-36

x⁴+11x³+43x²+69x=84