Question

two numbers whose sum is 13 and product is 21

urgent​

Answer 1

Answer:

To do it algebraically gives you a quadratic:

A + B = 13

AB = 40

A(13 - A) = 40

A2 - 13A + 40 = 0

(A - 8)(A - 5) = 0

A = 8 and B = 5

Answer 2

Answer:

a+b=13

a×b = 21

7×3=21

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