kalag9478
22.11.2019 •
Mathematics
Solve by the linear combination method.
8x + 2y = 4
–4x + 3y = –10
Solved
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Ответ:
-4x + 3y = -10multiply by 2
8x + 2y = 4
-8x + 6y = -20 (result of multiplying by 2)
add
8y = - 16
y = -16/8
y = -2
8x + 2y = 4
8x + 2(-2) = 4
8x - 4 = 4
8x = 4 + 4
8x = 8
x = 8/8
x = 1
solution is (1,-2)
Ответ:
The factor of the given binomial is (3x-8)
Step-by-step explanation:
The binomial is
Let us write the terms in perfect squares.
Therefore, the binomial becomes
Apply the formula for difference of squares.
Therefore, the factor of the given binomial is (3x-8)