Question

find and correct the error (3x+2)²=3x²+6x+4​

Answer 1

${(3x + 2)}^{2} = {(3x)}^{2} + 2(3x)(2) + {(2)}^{2} \\ \\ = > 9 {x}^{2} + 12x + 4$

The errors :

$3 {x}^{2} - > 9 {x}^{2}$

and

$6x - > 12x$

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Hope it would be helpful 4 u ☺

Fóllòw Më ❤

Answer 2

Answer:

(3x+2)^2=3x^2+12x+2^2