(b) a² + 2ab + b² from 4a²– 3ab - 6b²
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Answer:
3ab−2a
2
−2b
2
−(5a
2
−7ab+5b
2
)
3ab−2a
2
−2b
2
−5a
2
+7ab−5b
2
10ab−7a
2
−7b
2
Step-by-step explanation:
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Answer:
Given
a² + 2ab + b² from 4a²– 3ab - 6b²
[tex] \displaystyle(4a {}^{2} - 3ab - 6b {}^{2} ) - {a}^{2} + 2ab + {b}^{2} [/tex]
[tex] \displaystyle = 4a {}^{2} + {a}^{2} - 3ab + 2ab - 6b {}^{2} + b {}^{2} [/tex]
[tex] \displaystyle = 5a {}^{2} - ab + 7b {}^{2} [/tex]