Equation: 4274

Solve the equation:

V (2, x + 2) = 90

Final Answer:

x =  8

Step-by-step explanation:

V(2, x+2)=90 (x+2)⋅ (x+1)=90  (x+2)⋅ (x+1)=90 x2+3x−88=0  a=1;b=3;c=−88 D=b2−4ac=32−4⋅1⋅(−88)=361 D>0  x1,2​=2a−b±D​​=2−3±361​​ x1,2​=2−3±19​ x1,2​=−1.5±9.5 x1​=8 x2​=−11 x>0 x=x1​=8

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