We open the brackets
And use the laws of indices
-2x^2(-5X^2+4X^3)
Opening brackets
10X^4-8X^5 we get X^4 and X^5 because the terms we have
multiplied have common bases and therefore we have added the powers
Hence our answer is 10X^4-8X^5
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Divide both sides of the equation by -3, which gives you x=6.
Step-by-step explanation:
cross multiply
the answer is six
Answer:
a)2x-3
b)x^2+1
c)X×5
Step-by-step explanation:
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