Question

Factorise it [x+7]^3+8x^2[x+7]

Answer 1

Answer:

(x+7) (9x²+49+14x)

hope it helps

Answer 2

SOLUTION

$= > (x + 7) {}^{ 3} + 8 {x}^{2} (x + 7) \\ = > x +7</u><u>(</u><u>(x + 7) {}^{2} + {8x}^{2} </u><u>)</u><u>\\ = > x + </u><u>7</u><u>( {x}^{2} + {7}^{2} + 2 \times x \times 7 + 8 {x}^{2} ) \\ = > (x + </u><u>7</u><u>)( {x}^{2} + 49 + 14x + 8 {x}^{2} )</u><u>\</u><u>\</u><u>=</u><u>)</u><u> </u><u>(</u><u>x</u><u>+</u><u>7</u><u>)</u><u> </u><u>(</u><u>9</u><u>x</u><u>^</u><u>2</u><u>+</u><u>1</u><u>4</u><u>x</u><u>+</u><u>4</u><u>9</u><u>)</u><u>$

hope it helps ☺️