factoring of 4a²-36=0
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Answer:
4(a²-9)=0
Step-by-step explanation:
Find the common factor and separate.
Checking:
4(a²-9)=0
-distrubute
4a²-36=0
ANSWER:
4a² - 36 =0 <--- Factor 4 from the equation
4 (a² - 9) = 0 <----- then, difference of perfect square
4 (a + 3) ( a - 3) = 0 <---- factored equation
a+3=0
a= -3
a - 3=0
a=3