Question

plz tell me this answer plz i will mark as branlist ​

Answer 1

Answer:

1.

${a}^{2} + 10a + 16$

by middle term splitting

${a}^{2} + 2a + 8a + 16$

$= a(a + 2) + 8(a + 2)$

2.

${x}^{2} - 5x + 4$

${x}^{2} - 4x - x + 4$

$x(x - 4) - 1(x - 4)$

$= (x - 1)(x - 4)$

3

$4 {x}^{2} + 4x + 1$

$4 {x}^{2} - 2x + 2x + 1$

$2x(2x - 1) + (2x - 1)$

$(2x - 1)(2x + 1)$

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