Trying to find the right answer to this..

(4p 2 + 5p + 7) x 3p = (4p 2 + 3p ) + (5p x 3p) + ( 7 x 3p) = [(4 x 3) x p 2 x p] + [(5 x 3) x p xp ] + ( 7 x 3) x p = 12p 3 + 15p 2 + 21p

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41.

Obtain the product of

^{m, -mn, mnp}

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42.

Find the product

(i) 2x(3x + 5xy) (ii) a²(2ab - 5c)

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(4p² + 5p + 7) x 3p = (4p² + 3p ) + (5p x 3p) + ( 7 x 3p)
= [(4 x 3) x p²x p] + [(5 x 3) x p xp ] + ( 7 x 3) x p
= 12p³+ 15p²+ 21p

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44.

Carry out the multiplication of the expressions in each of the following pairs
4p, q + r

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45.

Carry out the multiplication of the expressions in each of the following pairs
ab, a - b

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46.

Carry out the multiplication of the expressions in each of the following pairs
a + b, 7a²b²

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47.

Carry out the multiplication of the expressions in each of the following pairs
a² - 9, 4a

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48.

Carry out the multiplication of the expressions in each of the following pairs
pq + qr + rp, 0

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49.

Complete table.

	First expression	Second expression	Product
(i) (ii) (iii) (iv) (v)	a x + y - 5 p 4p²q²a + b + c	a + c + d 5xy 6p² - 7p + 5 p²- q² abc	.... .... .... .... ....

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50.

Find the product.
(a²) x (2a²²) x (4a²⁶)

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