Question

solve the following question 2,3,5.​

Answer 1

Answer:

2) answer is here =

(

$a {}^{2} - 5a + b \: (a {}^{2} + 2a - 3$

here a = 1 & b = 1

$1 {}^{2} - 5 \times 1 + 1(1 {}^{2} + 2 \times 1 - 3$

= 1- 5 + 1 ( 1 + 2 - 3 )

= -4 +1 ( 3 - 3)

= -3 (0)

= -3

Step-by-step explanation:

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