Question

slove this do this sums

Answer 1

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1) 5xy³-9x number of terms 2
3xy +4y-8 number of terms 3
9x²+2x+pq+q number of terms 4

2) let P(x) = 3x+5
if x= 0 ⇒P(0 ) =3*0+5 = 5
if x=1 ⇒P(1)= 3*1+5 = 3+5 =8
if x=2⇒P(2) =3*2 +5 =6+5=11
if x= -1⇒P(-2) = 3*(-2)+5 =-6+5 =1