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PLS PA ANSWER PO PLS PLS THANK YOUU
WAG NA PO SUMAGOT KUNG HNDI PO
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Answer:
2. 5m²-3n, when m=2 and n=4
= 5 (2)² - 3(4)
=5(4) - 12
=20 - 12
= &
3. 3ab + 4a - 12, when a=3 and b = -4
= 3(3)(-4) + 4(3) - 12
= 3 (-12) + 12- 12
= -36 + 12-12
= -24- 12
= -36
4. 3 (p-2q), when p= 5 and q= 7
= 3 (5-2(7))
= 3 (5- 14)
=3 (-9)
= -27
5.x²-3 when x = -4 and y=3
y²
(-4)²-3
(3)²
16-3
9
13 or 1 9/4 (mixed number)
9
6.-x when x = -8
x= -8
Step-by-step explanation:
sinubstitute ko lang yung value ng variables.