Question

Select the correct answer from each drop- down menu. Consider the expressions given below.

Answer 1

Solution

$(4x^3-4+7x)-(2x^3-x-8)=2x^3+8x+4(B)$$(-3x^2+x^4+x)+(2x^4-7+4x)=3x^4-3x^2+5x-7(D)$$(x^2-2x)(2x+3)=2x^3+3x^2-4x^2-6x=2x^3-x^2-6x(A)$