plz answer correctly, correct answer will be mark as as brainlist and plz those who know all answer they only answer no irrelevant answer, irrelevant answer will be reported
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Answered by
1
Answer:
a) ans. is 31
b) ans is 23
c) ans is -4
plz mark it as the brainliest answer
Answered by
2
Answer:
a) pq(p + 3) +r
= p²q + 3 pq + r
= 2²x3 + 3x2x3 + 1
= 12 + 18 + 1
= 31
b) 12 p(q-r)
= 12pq - 12pr
= 12x1x4 - 12x1x2
= 48 - 24
= 24
c) 1 - x+ y
= 1 -(-2) + (-7)
= 1+2-7
= -4
Step-by-step explanation:
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