(a 2 - 2a + 3) (a2-2a+5) - 35
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Factorise karna hai kya???... Plz. give it with ans!!!
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Answer:
Step-by-step explanation:
a. (a²-2a+3)(a²-2a+5)-35
=(2 −2a)²+5(a²−2a)+3(a²−2a)+15−35
=(a²−2a)²+8(a²−2a)−20
=(a²−2a)²+10(a²−2a)−2(a²−2a)−20
=(a²−2a)(a²−2a+10)−2(a²−2a+10)
=(a²−2a+10)(a²−2a−2)
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