factor : 10x²+x-2 = (5x-2)(2x+1) maths
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Answer:
x=2
Step-by-step explanation:
10x^+x-2=(5x-2)(2x+1)
10x^+x-2=5x(2x+1)-2(x+1)
10x^+x-2=10x^+5x-2x-2
x-2=3x-2
x=3x
3x-x=0
2x=0
x=2
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