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### Grade 8 - Mathematics7.51 Polynomials Review Test

 Q 1: Divide [(5a)3-(6b)3] by (5a-6b).25a2-30ab+36b225a3+30ab+36b325a3+30ab+36b225a2+30ab+36b2 Q 2: If x+y = 8, xy = 12, find the value of x2+y2.44404642 Q 3: If a+b = 8 and ab = 15, find the value of a3+b3.157152159153 Q 4: Divide (a4+a3+6a2+9a+7) by (a2+a+2).None of theseQuotient=(a2-4) and Remainder=(5a-1)Quotient=(a2+4) and Remainder=(5a+1)Quotient=(a2+4) and Remainder=(5a-1) Q 5: Find the value of (58)2 using formula.3384335433643374 Q 6: Find the product of (2x+2y+2z) (4x2+4y2+4z2-4xy-4yz-4xz).8x3+8y3+z3-24xyz8x3+8y3+z3-12xyz8x3+8y3-z3-24xyzNone of these Q 7: If x-1/x = 10, find the value of x3-1/x3.1060103010501040 Q 8: (6x2+7x-7)(-5x) = _____?-30x3+35x2+35x30x3-35x2+35xNone of these-30x3-35x2+35x Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!

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