The sum of two binomials is 5x2−6x. If one of the binomial is 3x2−2x, what is the other binomial?
A
2x2−4x
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B
2x2−8x
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C
8x2−4x
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D
8x2−8x
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Solution
The correct option is A2x2−4x Let 's' be the term to be added to 3x2−2x to get 5x2−6x. ⇒(3x2−2x)+s=5x2−6x ⇒s=(5x2−6x)−(3x2−2x) ⇒s=(5x2−3x2)+(−6x+2x) ⇒s=2x2−4x
So, the second binomial term is =2x2−4x