Question

7. Do Factorization:

x2+2x+1

3x-7

7x3+x2-2


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Answer 1

1.

${x}^{2} + 2x + 1 = 0 \\ \\ {x}^{2} + x + x + 1= 0 \\ \\ x( x+ 1) + 1(x + 1) = 0 \\ \\ (x + 1) \: \: (x + 1) = 0 \\ \\ x = - 1 \: \: or \: \: x = - 1$

2.

$3x - 7 = 0 \\ \\ 3x = 7 \\ \\ x = \frac{7}{3}$

Hope it helps.