1. (5p - 3)(7p + 4)
=(5p×7p)+(5p×4)-(3×7p)-(3×4)
= 35 p^2 +20p-21p-12
= 35 p^2 - p - 12 (A)
2. 4 (x + 3) - 24 = 2 (4x - 1)
4x + 12 -24 = 8x -2
4x - 8x = 12 -2
-4x = 10
x = 10/-4 = -5/2
2x + 1
= 2 (-5/2) + 1
= -5 + 1
= -4 (A)
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1. (5p - 3)(7p + 4)
=(5p×7p)+(5p×4)-(3×7p)-(3×4)
= 35 p^2 +20p-21p-12
= 35 p^2 - p - 12 (A)
2. 4 (x + 3) - 24 = 2 (4x - 1)
4x + 12 -24 = 8x -2
4x - 8x = 12 -2
-4x = 10
x = 10/-4 = -5/2
2x + 1
= 2 (-5/2) + 1
= -5 + 1
= -4 (A)