factorise
14x³+21x⁴-28x²y²
(2a+3b)²-16c²
Answers
Answered by
1
Answer:
1)14x³+21x⁴-28x²y²
=7x²(2x+3x²-4y²)
2)(2a+3b)²-16c²
=(2a+3b)²-(4c)²
=(2a+3b+4c)(2a+3b-4c)
Answered by
0
Answer:
1)7x2(3x2y+2x-4y2)
2)(2a+3b+4c)(2a+3b-4c)
Step-by-step explanation:
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