ryanleongcy ryanleongcy

03-03-2020
Mathematics

contestada

if a+b = 8, a²-b²=16, then ab is?

Respuesta :

corin10121 corin10121

03-03-2020

Answer:

a=5 and b=3

Step-by-step explanation:

a+b=8

okay, so the numbers that can make 8 are 4+4, 5+3, 6+2, and 7+1

Try 5+3

so plug them in

5+3=8

5*5=25

3*3=9

25-9=16

that's your answer

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