Solve 1-x*1+1(1+x)+(1-x)(1+x) | Microsoft Math Solver

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1-x\times 1+1+x+\left(1-x\right)\left(1+x\right)

Use the distributive property to multiply 1 by 1+x.

1-x\times 1+1+x+1^{2}-x^{2}

Consider \left(1-x\right)\left(1+x\right). Multiplication can be transformed into difference of squares using the rule: \left(a-b\right)\left(a+b\right)=a^{2}-b^{2}.

1-x\times 1+1+x+1-x^{2}

Calculate 1 to the power of 2 and get 1.

1-x\times 1+2+x-x^{2}

Add 1 and 1 to get 2.

1-x+2+x-x^{2}

Multiply -1 and 1 to get -1.

3-x+x-x^{2}

Add 1 and 2 to get 3.

3-x^{2}

Combine -x and x to get 0.