Hey, if anybody it would be great and show work thanks. 3x3+15x2−12x2−60x. ?
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3*3=9 9+15=24 24*2=48 48-12=36 36*2=72 72-60x=12x
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Answer:
Step-by-step explanation:
Hey, if you are baking for factorisation then here it is :
3x^3 + 15x^2 - 12x^2 - 60x
= 3x^3 + 3x^2 - 60x
= 3x( x^2 + x - 20)
= 3x[x^2 + 5x - 4x - 20]
= 3x[x(x + 5) -4(x + 5)]
= 3x(x-4)(x+5)
Zeroes are 0,4,-5
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