DianaJJM1111 DianaJJM1111

21-03-2021
Mathematics

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I need help with these two questions

I need help with these two questions class=

Respuesta :

21-03-2021

Answer:

The first one: 19/15a

second one: b²-4ac = D

Step-by-step explanation:

for first one: take LCM and solve

for second one: you square the expression on both sides then b²= D + 4ac, then when you take 4ac to the left hand side, it becomes b²-4ac= D

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