Find the value of x, if a +7=0, b+10= 0 and 12 x = = ax-b
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ICSE Class 10
Selina Solutions
Mathematics
Quadratic Equations
SELINA Solutions for Class 10 Maths Chapter 5 - Quadratic Equations
Mathematics is one of the crucial and most scoring subjects in ICSE Class 10. TopperLearning presents study materials for ICSE Class 10 Mathematics which will enable students to score well in the board examination. The syllabus includes certain challenging concepts like Value Added Tax, Ratio and Proportion, Quadric Equations among others which require effective study materials. Our study materials for ICSE Class 10 consist of video lessons, question banks, sample papers, revision notes and past year papers which improve the quality of learning.
Chapter 5 - Quadratic Equations
Page / Exercise
Ex. 5(A) Ex. 5(B) Ex. 5(C) Ex. 5(D) Ex. 5(E) Ex. 5(F)
Chapter 5 - Quadratic Equations Exercise Ex. 5(A)
Question 1
Find which of the following equations are quadratic:
(3x - 1)2 = 5(x + 8)
Solution 1
(3x - 1)2 = 5(x + 8)
⇒ (9x2 - 6x + 1) = 5x + 40
⇒ 9x2 - 11x - 39 =0; which is of the form ax2 + bx + c = 0.
∴ Given equation is a quadratic equation.