Factorize : 4x2 - 12x - 16 - 9y2 + 30y
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Answer:
x=4, -1, y=0, 10/3
Step-by-step explanation:
4x2-12x-16=0÷4
x2-3x-4=0
by factorisation method
x=4, -1
-9y2+30y=0÷-3
3y2-10y=0
by factorisation method
y=0, 10/3
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