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Factories 64-(a +12)^2What will be the process of this question? |
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Answer» Answer: 64-(a^2+144+2×12×a)=0 64-a^2-144+24a=0 0=a^2-24a+144-64 0=a^2-24a+80 0=a^-20a-4a+80 0=a (a-20)-4 (a-20) 0=(a-4)(a-20) a=4 Or a=20 |
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