factorise: x^5-39x=70
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Answer:
Step-by-step explanation:
x³+39x+70
x³+ (25+14)x + 70
x³+25x + 14x +70
x³+ 5x²+14x + 70
x²(x+5)+14(x + 5)
(x+5)(x²+14)
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