Solve 2( x + 1)^2- 5 ( x + 1) = 12.
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Answered by
1
Answer:
2(x^2+1+2x)-5(x+1)=12
2x^2+2+4x-5x-5=12
2x^2-x-3=12
2x^2-x=15
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Answered by
1
Step-by-step explanation:
2(x+1)²-5x-1=12
2(x²+1²+2x)-5x-1=12
2x²+2+4x-5x-1=12
2x²+1-x=12
2x²-x =12 -1
2x²-x=11
2x²-x-11=0
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