Question

what is the solution of a2-2a +3​

Answer 1

Answer:

The first term is, a2 its coefficient is 1 .

The middle term is, -2a its coefficient is -2 .

The last term, "the constant", is -3

Step-1 : Multiply the coefficient of the first term by the constant 1 • -3 = -3

Step-2 : Find two factors of -3 whose sum equals the coefficient of the middle term, which is -2 .

-3 + 1 = -2 That's it

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -3 and 1

a2 - 3a + 1a - 3

Step-4 : Add up the first 2 terms, pulling out like factors :

a • (a-3)

Add up the last 2 terms, pulling out common factors :

1 • (a-3)

Step-5 : Add up the four terms of step 4 :

(a+1) • (a-3)

Which is the desired factorization

so answer is (a+1) • (a-3)

Answer 2

Explanation:

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