solve by factors method x^2-7x+10=0
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x² + 7x + 10 = 0
or, x² + 5x + 2x + 10 = 0
or, x( x + 5) + 2( x + 5) = 0
or, (x + 5) (x +2) = 0
=> (x+5)=0 |or| (x+2)=0
or, x = (-5) or, x = (-2)
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Answered by
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Answer:
x^2-7x+10=0
(x-5)(x-2)=0
x=5 and x=2
Explanation:
When adding, -7 has to be the sum and when multiplying, +10 has to be the answer.
-5 and -2 are the only ones who fit this criteria.
(-5)+(-2)=(-5-2)= -7
(-5)x(-2)=10
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