Question

Simplify b^3 + b^2. Answers that do not explain clearly from basic steps will be reported.

Answer 1

= $(b^{3} + b^{2} )$

= $b^{2} (b + 1)$

= { take b as common bas outside brackets. by doing so $b^{2}$ will come out. then when $b^{2}$ is multiplied to b we get $b^{3}$ and when $b^{2}$ is multiplied to 1 we get $b^{2}$ }

to find the solution equate it to zero.

= $b^{2} (b + 1) = 0$

$b^{2} = 0$           and      $b + 1 = 0$

$b = \sqrt{0} = 0$   and       $b = -1$

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