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artcher [175]
2 years ago
7

Solve by factoring: a² = 25

Mathematics
2 answers:
Alex73 [517]2 years ago
4 0
A=+ or - 5 bc -5x-5 or 5x5 equals to 25
Sophie [7]2 years ago
4 0

Answer:

a= ±5

Step-by-step explanation:

a^{2} =25

equal to zero

a^{2} -25=0

factor: difference of squares

(a+5)(a-5)=0

first factor:

a+5=0\\a_{1} =-5

second factor:

a-5=0\\a_{2} =5

Hope this helps

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