1. Find the following products:
(i) (x + 3)(x + 7)
(ii) (x + 7)(x-8)
(iii) (p -0.2)(P-0.5)
(iv) (2x + 5)(2x - 2)
(v) (3y - 1) (3y + )
(vi) (3pq + 2)(3p9 - 4).
Answers
Answered by
1
Answer:
oh no what long it is
too much I am unable to type here
Answered by
2
Answer:
1.x^2+10x+21
2.x^2-x-56
3.p^2-0.7+0.10
4.4x^2+6x-10
5.9y^2-0-1(I thought it was (3y+1)but you mistakenly type it (3y+)
6.9p^2q^2-6pq-8(I thought you mistakenly type it as 3p9 instead of 3pq)
Step-by-step explanation:
1. = x^2+3x+7x+21
=x^2+10x+21
2. =x^2+7x-8x-56
=x^2-x-56
3.=p^2-0.2p-0.5p+0.10
=p^2-0.7+0.10
4. =4x^2+10x-4x-10
=4x^2+6x-10
5.=9y^2-3y+3y-1
=9y^2-0-1
6.=9p^2q^2+6pq-12pq-8
=9p^2q^2-6pq-8
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