Question

Expand the following

$(x + 3)( x + 5)( x + 2)$
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Answer 1

Answer:

x^3+10x^2+31x+30

Step by step explanation:

(x+a)(x+b)(x+c)=x^3+(a+b+c)x^2+(ab+bc+ca)x+abc

(x + 3)( x + 5)(x+2)

=x^3+(3+5+2)x^2+(3×5+5×2+2×3)x+3×5×2

=x^3+10x^2+(15+10+6)x+30

=x^3+10x^2+31x+30

Answer 2

Answer:

(x + 3)( x + 5)( x + 2)

x^3+10x^2+31x+30

(x + a)( x + b)( x + c)=x^3+(a+b+c)x^2+(ab+bc+ca)x+abc

(x + 3)( x + 5)( x + 2)

x^3+(3+5+2)x^2+(3*5+5*2+3*2)x+(3*5*2)

x^3+10x^2+(15+10+6)x+30

x^3+10x^2+21x+30

Step-by-step explanation:

Hope it helps.