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Solve the following quadratic equations by factorization.: (1) ( X - 4) (X+2)= 0 |
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Answer» X-4=0. X+2=0X=4. X=-2 Let, (x-4)(x+2)(1)=0X²+2x-4x-8=0X²-2x-8=0X²-(4-2)x-8=0X²-4x+2x-8=0X(x-4)+2(x-4)=0(X+2)(x-4)=0X+2=0. X-4=0X=-2. X=4 |
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