1.

Find the product:2x2(3x – 4x2)

Answer»

2x2(3x – 4x2)

Let p, q and r be three monomials.

Then, by distributive law of multiplication over subtraction, we have:

P × (q – r) = (p × q) – (p × r)

Now,

= (2x2 × 3x) – (2x2 × 4x2)

= (6x3 – 8x4) … [∵ am × an = am+n]



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