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What must be added to 4² + 12x + 5 to make it aperfect square? |
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Answer» Answer: 2 is the answer Step-by-step explanation: 4x2−12x+7 =(2x)2−2∗2x∗3+7 (a+b)2=a2+2∗a∗b+b2 Here , a=2x,b=−3 =(2x)2+2∗2x∗(−3)+32 =4x2−12x+9 => We have to add 2 to make PERFECT square mark me as BRAINLIST |
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