Question 25: Reducing the expression we \(7 x(x+1)-3 x(1-x)\) gets

13/01/2022 // by admin// Leave a Comment

Question 25: Reducing the expression we \(7 x(x+1)-3 x(1-x)\) gets

A. \(- x^{2}+4 x \)

B. \(3x^{2}+4 x \)

C. \(7x^{2}+4 x \)

D. \(10 x^{2}+4 x \)

We have

\(7 x(x+1)-3 x(1-x)=7 x^{2}+7 x-3 x+3 x^{2}=10 x^{2}+4 x . \)

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